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": ""}
 LH]6p 4300 optiva I   Grewia  Qhe  bhadwar, punjab v6Ar     India -  WAL7ER N. KOELZ e qH    HIMACHAL PRADESH x3 t      hi) 610 grewia optiva  Nt  Kangra  ky <    J. R. Drumm. ex Burret EVRV#  1933-04-26 7   R 1506802   jS[ MALVACEAE  ^0 MALVALES
{"catalogNumber": "1506802", "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": "4300", "verbatimEventDate": "1933-04-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kangra", "municipality": "", "locality": "Bhadwar, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}