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": ""}
18896 dQ3     qIT d SOUTH CAROLINA 1396297 3          poales [Sa6%   | 1963-08-21   V4wwv JUST N OF SHELDON:.  R fimbristylis castnea  &LwK castanea  cyperaceae yH5  robert kral  Q@K  BEAUFORT GNC?(     
{"catalogNumber": "1396297", "order": "Poales", "family": "Cyperaceae", "scientificName": "Fimbristylis castanea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "castanea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Kral", "recordNumber": "18896", "verbatimEventDate": "1963-08-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "South Carolina", "county": "Beaufort", "municipality": "", "locality": "Just N of Sheldon.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}