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": ""}
 VIRESCENS 0E3P   L west bengal  H + 1486944 H(elictotrichon W4    2  Darjeeling   az: (nees ex steud.) henrard         0N!p Poales  1936-12-23 L   ]UmyW 10505     poaceae  7M   2134 &9nb 
{"catalogNumber": "1486944", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Nees ex Steud.) Henrard", "genus": "Helictotrichon", "subgenus": "", "specificEpithet": "virescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "10505", "verbatimEventDate": "1936-12-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "West Bengal", "county": "", "municipality": "", "locality": "Darjeeling", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2134", "maximumElevationInMeters": ""}