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": ""}
KENTUCKY tvy   VTfIh s0rghum  U a Sorghum halepense    r)h4F 4491  E8xk[ CON7ACT UM HERBARIUM    [:]  Jefferson (L.) PERS. .?   g  HALEPENMSE   Poaceae 1phIT    ex 1424125  UNITED STATES NC    X6TFp Mary E. Wharton   1939-06:-21 S.m     CemN Poales
{"catalogNumber": "1424125", "order": "Poales", "family": "Poaceae", "scientificName": "Sorghum halepense", "scientificNameAuthorship": "(L.) Pers.", "genus": "Sorghum", "subgenus": "", "specificEpithet": "halepense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary E. Wharton", "recordNumber": "4491", "verbatimEventDate": "1939-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Jefferson", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}