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": ""}
  247 b4zl   7Xs Carex  dT 1379782     f Poales 1993-05-17 a     howard fw ,    10094 9      q =i( 2.2 mi w on blue idge park road towards blue ridge park from its jct with ar 4, n of dirks.  (e[ MUEHLENBERGII  / arkanas  stanley d. jones & gretcben . jones h  enervis /   qHr United States
{"catalogNumber": "1379782", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "", "infraspecificEpithet": "enervis", "identifiedBy": "", "recordedBy": "Stanley D. Jones & Gretchen D. Jones", "recordNumber": "10094", "verbatimEventDate": "1993-05-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Howard", "municipality": "", "locality": "2.2 mi W on Blue Ridge Park Road towards Blue Ridge Park from its jct with AR 4, N of Dirks.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "247", "maximumElevationInMeters": ""}