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": ""}
 b NEES EX G.DON 5029 pEA^K    W PENSI LA, ZASKAR ranunculales O5   RANUNCULACEAE WaZ :   ) KARGIL   MU walter n. koelz       ^W INDIA    -J Ranunculus 1500052  u  RANUNCULUS NATANS Jdc      R-` 5909a    @#   jammu and kashmir  m|  1933-07-23 natans eQ4 
{"catalogNumber": "1500052", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Ranunculus natans", "scientificNameAuthorship": "Nees ex G.Don", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "natans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "5909a", "verbatimEventDate": "1933-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Jammu and Kashmir", "county": "Kargil", "municipality": "", "locality": "Pensi La, Zaskar", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "5029", "maximumElevationInMeters": ""}