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": ""}
    1424000 V     a. ruth #bpEh   SORGHASTRUM N     nutans ,H @#   ^Z,!` knoxville UNITED STATES -C   eWK TENNESSEE   Ajd Poaceae (L.) NASH H  |     =^* s.n. Knox n#  Sorghastrum nutans : 6V    1894-09   _7  POALES +Z`?O 
{"catalogNumber": "1424000", "order": "Poales", "family": "Poaceae", "scientificName": "Sorghastrum nutans", "scientificNameAuthorship": "(L.) Nash", "genus": "Sorghastrum", "subgenus": "", "specificEpithet": "nutans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Ruth", "recordNumber": "s.n.", "verbatimEventDate": "1894-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Knox", "municipality": "", "locality": "Knoxville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}