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": ""}
 F Walter N. Koelz    DUH bihar Poaceae %m b:2     TcRE (trin.) henrard  RAD? rpoales     q DIGITARIA GRANULARIS  1947-09-14  9    aQ+8 NO DATA  tD~2 18809  ~q Digitaria  MDEL  Field  +#9ek granularis india Y      1486435 9Msh   d]Cob Garhwa Road 
{"catalogNumber": "1486435", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria granularis", "scientificNameAuthorship": "(Trin.) Henrard", "genus": "Digitaria", "subgenus": "", "specificEpithet": "granularis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18809", "verbatimEventDate": "1947-09-14", "habitat": "Field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Bihar", "county": "no data", "municipality": "", "locality": "Garhwa Road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}