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": ""}
         1931-06-22  vT   L  -84.407373   x) 3â½ mi. n of u s 10 and 2 m. w of m 30, sanford.  xi[ Cyperaceae        44^ Michiogan    FREDERICK J. HERMANN 4  carexmF 8    paeE r.r. dreisbach
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "R.R. Dreisbach", "recordNumber": "", "verbatimEventDate": "1931-06-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "3\u00c2\u00bd mi. N of U S 10 and 2 mi. W of M 30, Sanford.", "decimalLatitude": "", "decimalLongitude": "-84.407373", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}