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/ 4r858  dichanthelium dichotomum bC2QS8        rl_/A JACKSONVILLE  ONSLOW U    H%r DICHOTOMUM   %. W W. A. Silveus    north carolina 6p   +O 1939-08-03  F Dichanthelium (l.) gould vV3^  United States Bn  1429288 )QSi1 
{"catalogNumber": "1429288", "order": "", "family": "", "scientificName": "Dichanthelium dichotomum", "scientificNameAuthorship": "(L.) Gould", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "dichotomum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. A. Silveus", "recordNumber": "4858", "verbatimEventDate": "1939-08-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "Onslow", "municipality": "", "locality": "Jacksonville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}