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": ""}
1423754 Sqx6     7U 0 POALES   s UNITEDSTATES     AiC 4623    1931-03-31 mN  Setaria !K  PARVIFLORA w9    James B. McFarlin c9znv  FLORIDA &Y z,  everglades M0    SETARIA PARVIFLORA kv<s     _46p% gPoaceae
{"catalogNumber": "1423754", "order": "Poales", "family": "Poaceae", "scientificName": "Setaria parviflora", "scientificNameAuthorship": "", "genus": "Setaria", "subgenus": "", "specificEpithet": "parviflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "4623", "verbatimEventDate": "1931-03-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "Everglades", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}