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": ""}
   $Bc elecharis obtusa   & Zj 42.520014  1806 z P-     ,Gary J. P|erce -86.030814 ~(AU   :Q#  obtusa        o united states      allegan 6:,r    X Cyperaceae  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gary J. Pierce", "recordNumber": "1806", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "42.520014", "decimalLongitude": "-86.030814", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}