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": ""}
  @fHx United States    43 VERTICILLATA OSCEOLA SWAMP %     Ssp 4 Aquifoliaceae  FQ3 ilex verticillata  Houghton  8          kh+; 47.221056   L ?[ R.C. CLARK 688 Nh7   frederick j. hermann 7$ w   
{"catalogNumber": "", "order": "", "family": "Aquifoliaceae", "scientificName": "Ilex verticillata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "verticillata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R.C. Clark", "recordedBy": "Frederick J. Hermann", "recordNumber": "688", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Houghton", "municipality": "", "locality": "Osceola Swamp", "decimalLatitude": "47.221056", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}