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": ""}
   c7 1987-07-05 carex *A   S6C cyperaceae   yc+ 41.834965   mesic levees above the riverine floodplain. U     PO4LES +v    u;J/ UNITED STATES  M<d7m michigan  No]P3 GRISEA  I4 r# 87-091    <3  Harvey E. Ballard, Jr.  carex grisea Nx    6Yb -86.619592 ROBERT F.C. NACZI ^1z   H Wahlenb. "Several scattered colonies; mistaken f0r Carex oligocarpa." *;   
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex grisea", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "grisea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robert F.C. Naczi", "recordedBy": "Harvey E. Ballard, Jr.", "recordNumber": "87-091", "verbatimEventDate": "1987-07-05", "habitat": "Mesic levees above the riverine floodplain.", "occurrenceRemarks": "\"Several scattered colonies; mistaken for Carex oligocarpa.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "41.834965", "decimalLongitude": "-86.619592", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}