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": ""}
 c 1963-08-21  N FIMBRISTYLIS TOMENTOSA   DVcP robert kral POALES MW4xX       VTE& FIMBRISTYLIS geor[gia s   XX tomentosa   BW H cyperaceae    x7I ( 18943 United States DO     %4>(/ chatham vahl 6 >       ]E 1396568 4 mi N Richmond Hill. ?p 
{"catalogNumber": "1396568", "order": "Poales", "family": "Cyperaceae", "scientificName": "Fimbristylis tomentosa", "scientificNameAuthorship": "Vahl", "genus": "Fimbristylis", "subgenus": "", "specificEpithet": "tomentosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Kral", "recordNumber": "18943", "verbatimEventDate": "1963-08-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Chatham", "municipality": "", "locality": "4 mi N Richmond Hill.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}