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": ""}
Malvaceae dv0       gRO Kullu   9vkb? Kudlu, Kangra, Punjab 1933-05-26 O   1?;5! MALVALES 1524 `3     WALTER N. KOELZ n  optiva  3~<x  HIMAGHAL PRADESH d   1506801 9T    yCj j. r. drumm. ex burret India 2 C  grewi4 optiva s    4736 pSSTz     [|;  grewia
{"catalogNumber": "1506801", "order": "Malvales", "family": "Malvaceae", "scientificName": "Grewia optiva", "scientificNameAuthorship": "J. R. Drumm. ex Burret", "genus": "Grewia", "subgenus": "", "specificEpithet": "optiva", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4736", "verbatimEventDate": "1933-05-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kullu", "municipality": "", "locality": "Kulu, Kangra, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1524", "maximumElevationInMeters": ""}