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": ""}
 1535911 2U    69 7l INDIA  t1 4365   MIZORAM     Rubiaceae 6  1524 S 4l    @d]v! canthium   M-6 Hmuntha  1951-04-05 4`Cv  THAKUR RUP CHAND A L     Canthium 4   SERCHHIP gR64    GENTIANALES ~ @  
{"catalogNumber": "1535911", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Canthium", "scientificNameAuthorship": "", "genus": "Canthium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "4365", "verbatimEventDate": "1951-04-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Mizoram", "county": "Serchhip", "municipality": "", "locality": "Hmuntha", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1524", "maximumElevationInMeters": ""}