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": ""}
 MICHIGAN PL  CAREX GRISEA pt   vd ROBERT F.C. NACZI 577 a   Iar LENAWEE    grisea a gZF  Wahlenb. Yu    [ am CAREX   ^_B64 Robert W. Smith 1985-05-15 !$P^v   -84.03355 ep   41.91081 !9w     CVPERACEAE LfUM     
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex grisea", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "grisea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robert F.C. Naczi", "recordedBy": "Robert W. Smith", "recordNumber": "577", "verbatimEventDate": "1985-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "41.91081", "decimalLongitude": "-84.03355", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}