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": ""}
 %  1430373   united states J   DURHAM 3Hc      1939-06-28 Z4M  NORTH CAROLINA C   ^ 4477  eiw*a DICHANTHELIUM  ?hC W. A. Silveus  (schult.) mohlenbr.  C!  POACEAE U5Ty    POLYANTHES PV        durham ) bfp  
{"catalogNumber": "1430373", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Schult.) Mohlenbr.", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "polyanthes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. A. Silveus", "recordNumber": "4477", "verbatimEventDate": "1939-06-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "Durham", "municipality": "", "locality": "Durham", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}