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": ""}
    3973 niA    a Polk  (michx.) bhritton, sterns & poggenb. npT   Gymnopogon ambiguus R    e 1930-12-02 James B. McFarlin euzqt    AMBIGUUS  0,   United States A!Q   Contact UM Herbarium p*   poales _    3Q LE Florida 1415618 6-3]  gymnopogon <;[d 
{"catalogNumber": "1415618", "order": "Poales", "family": "", "scientificName": "Gymnopogon ambiguus", "scientificNameAuthorship": "(Michx.) Britton, Sterns & Poggenb.", "genus": "Gymnopogon", "subgenus": "", "specificEpithet": "ambiguus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "3973", "verbatimEventDate": "1930-12-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Polk", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}