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": ""}
        INDIA east khasi hills C b    s  1489652  1951-09-20 vtA   OJ; esculenta  iz (l.) schott   M Alismatales    99A  CLOCASIA ESCULENTA    U MEGHALAYA on boulder in forest torrent ?*S   thakur rup chand (2t    K4. araceae    CLOCASIA ?d 
{"catalogNumber": "1489652", "order": "Alismatales", "family": "Araceae", "scientificName": "Colocasia esculenta", "scientificNameAuthorship": "(L.) Schott", "genus": "Colocasia", "subgenus": "", "specificEpithet": "esculenta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "", "verbatimEventDate": "1951-09-20", "habitat": "On boulder in forest torrent", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}