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": ""}
Assam U         m 1504709  S 951-05-12 (roxb.) wight & arn. EC   BE : 28000  .` cachar  g Laikul   INDIA qL  610 P     nR CLAUSENA   $CMB Rutaceae  heptaphylla /ZD4y   a forest sapindales qJ     ] CLAUSENA HEPTAPHYLLA
{"catalogNumber": "1504709", "order": "Sapindales", "family": "Rutaceae", "scientificName": "Clausena heptaphylla", "scientificNameAuthorship": "(Roxb.) Wight & Arn.", "genus": "Clausena", "subgenus": "", "specificEpithet": "heptaphylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "28000", "verbatimEventDate": "1951-05-12", "habitat": "Forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Cachar", "municipality": "", "locality": "Laikul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}