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": ""}
 WEST BENGAL iU>C      a walter n. koel (buch.-ham. ex d. donn) benth. -sg:s  Darjeeling W(  Darjeling 16   i8 _T 2134   $ Lindenbergia grandiflora  India X    1? GRANDIFLORA  O.2e Orobanchaceae      .O[; 10497     ET 1519996 
{"catalogNumber": "1519996", "order": "", "family": "Orobanchaceae", "scientificName": "Lindenbergia grandiflora", "scientificNameAuthorship": "(Buch.-Ham. ex D. Don) Benth.", "genus": "", "subgenus": "", "specificEpithet": "grandiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "10497", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "West Bengal", "county": "Darjeeling", "municipality": "", "locality": "Darjeling", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2134", "maximumElevationInMeters": ""}