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": ""}
  Le US 84, 6.6 mi W jct AL 95, E of Dothan.     kS  CYPERACEAE     2 1399675   PIa_ POALES     CEPHALANTHA 6   A. GRAY 37?Q   mGs? robert kral    s:s@ Rhynchospora    Rhynchospora cephalantha   k^9  81161 Houston v2^   FD United States 1992-07-15 +P@ V  
{"catalogNumber": "1399675", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora cephalantha", "scientificNameAuthorship": "A. Gray", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "cephalantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Kral", "recordNumber": "81161", "verbatimEventDate": "1992-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Houston", "municipality": "", "locality": "US 84, 6.6 mi W jct AL 95, E of Dothan.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}