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": ""}
  THOMAS dB          UNITED STATES   399691 *   Rhynchospora chalrocephala u   ZJ GEORGIA 17451     5 1991-08-11  (@ cyperaceae     -82.032222 M    30.964722 ,=/  
{"catalogNumber": "1399691", "order": "", "family": "Cyperaceae", "scientificName": "Rhynchospora chalarocephala", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "17451", "verbatimEventDate": "1991-08-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Thomas", "municipality": "", "locality": "", "decimalLatitude": "30.964722", "decimalLongitude": "-82.032222", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}