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": ""}
1991-05-24  `*    >ac ! 6982 "Elevation ca. 990 feet." "Infrequent" pkV        michigan bi*    =RB% 1239777  U5hk Edward G. Voss   (scribn.) freckmann (3   (e( K united states      4 OPEN MESIC TO XERIC SAND BARREN SURROUNDED BY OAK HARDWOOD FOREST. ASSOCIATES CAREX,QUERCUS,PRUNUS,LESPEDEZA,VIOLA,POLYTRICHUM,AND PINUS.  K DICHANTHELIUM   I WASHTENAW 
{"catalogNumber": "1239777", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Scribn.) Freckmann", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "", "recordNumber": "6982", "verbatimEventDate": "1991-05-24", "habitat": "Open mesic to xeric sand barren surrounded by oak hardwood forest. Associates Carex,Quercus,Prunus,Lespedeza,Viola,Polytrichum,and Pinus.", "occurrenceRemarks": "\"Elevation ca. 990 feet.\" \"Infrequent\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}