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": ""}
  QxrC domingensis MONROE x   U4*  f. rugel   ) gouania domingensis  gouania e :   !H RHAMNACEAE   v United States     1846-02 g    M  rosales  1506503 ) 8^w      S key west   56 o 2   /:O Florida
{"catalogNumber": "1506503", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Gouania domingensis", "scientificNameAuthorship": "", "genus": "Gouania", "subgenus": "", "specificEpithet": "domingensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. Rugel", "recordNumber": "2", "verbatimEventDate": "1846-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Monroe", "municipality": "", "locality": "Key West", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}