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": ""}
  7 1517712   obtusa P pjV  42.456686 A   ` 547      poales 9va=  (Willd.) Schult. A(KO5  ELEOCHARIS 4Ty;    OlS marsh. soil: wet muck. a5socies: eleocharis smallii, alisma, polygonum coccineum, leersia oryzoides, carex.      + Edwin S. George Reserve. Grid M-28.   LA> United States    U+@)A CYPERACEAE  MICHIGAN F 
{"catalogNumber": "1517712", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "547", "verbatimEventDate": "", "habitat": "Marsh. Soil: Wet muck. Associes: Eleocharis smallii, Alisma, Polygonum coccineum, Leersia oryzoides, Carex.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Edwin S. George Reserve. Grid M-28.", "decimalLatitude": "42.456686", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}