Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
 1970-09-13 ?7       +( UNITED STATES  aT 1806  ] sandy substrate covered with mucky peaty flat area where shore has receded. with: solidago remota, rhynchospora macrostachya, panicum~ meridonale, psilocarya scirpoides, juncus sp. , and fimbristylis autumnalis. Eleocharis +W   4W6( (Willd.) Schult.  leQ!  clyde twp. west shore of crooked lake.  -86.030814  F   OBTUSA T   anton a. reznicek b  ALLEGAN 1f y      9Z 42.520014   GROWING IN NEARLY PURE STAND, 20M WIDE. V*   K(L Gary J. Pierce 1484350   f e  eleocharis obtusa qW3j 
{"catalogNumber": "1484350", "order": "", "family": "", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Gary J. Pierce", "recordNumber": "1806", "verbatimEventDate": "1970-09-13", "habitat": "Sandy substrate covered with mucky peaty flat area where shore has receded. With: Solidago remota, Rhynchospora macrostachya, Panicum meridonale, Psilocarya scirpoides, Juncus sp. , and Fimbristylis autumnalis.", "occurrenceRemarks": "Growing in nearly pure stand, 20m wide.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "Clyde Twp. West shore of Crooked Lake.", "decimalLatitude": "42.520014", "decimalLongitude": "-86.030814", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}