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": ""}
heteropogon contortus NB0     WALTER N. KOELZ n    )RX Chattisgarh  CONTORTUS p6 ?c  18996A c   ~r3 Heteropogon    EX9vz india  1486928 zUR   /LN8 raanujganj (L.) BEAUV. EX ROEMER & J.A. SCHULTES 4    I0 POACEAE  * 1947-09-26   PsnG  SURGUJA poales f     
{"catalogNumber": "1486928", "order": "Poales", "family": "Poaceae", "scientificName": "Heteropogon contortus", "scientificNameAuthorship": "(L.) Beauv. ex Roemer & J.A. Schultes", "genus": "Heteropogon", "subgenus": "", "specificEpithet": "contortus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18996A", "verbatimEventDate": "1947-09-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Chhattisgarh", "county": "Surguja", "municipality": "", "locality": "Ramanujganj", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}