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": ""}
   RHODODENDRON   c east khasi hills  7F 1509287  Y3 India 7417 [ unE      $` ERCALES  U U  1829  e Thakur Rup Chand  Ericaceae @   1954-03-23  l~[h    L. kVd,       74%  in open, dry rocky hill  Z>aN Mawphlang Meghalaya D   Rhododendron zi  
{"catalogNumber": "1509287", "order": "Ericales", "family": "Ericaceae", "scientificName": "Rhododendron", "scientificNameAuthorship": "L.", "genus": "Rhododendron", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "7417", "verbatimEventDate": "1954-03-23", "habitat": "In open, dry rocky hill", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawphlang", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}