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": ""}
 MIXED HARDWOODS ~6K    SASSAFRAS ^>4     u -84.39824  |= laurales       ] Ac3f (NUTT.) NEES ALBIDUM      o(pN LAURACEAE  u 1967-08-21 sassafras albidum VA#G       s.n. du; H 
{"catalogNumber": "", "order": "Laurales", "family": "Lauraceae", "scientificName": "Sassafras albidum", "scientificNameAuthorship": "(Nutt.) Nees", "genus": "Sassafras", "subgenus": "", "specificEpithet": "albidum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1967-08-21", "habitat": "Mixed hardwoods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.39824", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}