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": ""}
   1400831 .uC    aRf 1991-06-22 7      2* BRITTON -85.911667 S      r Q walton     4ahK rhynchospora  3AJ 17071   qvrg Florida       
{"catalogNumber": "1400831", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Britton", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "17071", "verbatimEventDate": "1991-06-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Florida", "county": "Walton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.911667", "verbatimCoordinates": "", "minimumElevationInMeters": "7", "maximumElevationInMeters": ""}