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": ""}
 (72 Ranunculus   y  natans  nLEH OF| J    n 1933-08-16     Jammu and Kashmi4r RANUNCULACEAE p  ranunculales  r   xV5 6617    F#b NEES EX G.DON   jvU 1500051 ranunculus natans %    O5$g WALTER N. KOELZ      K India  4267 0kj j   tso kar, rupshu 2` 
{"catalogNumber": "1500051", "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": "6617", "verbatimEventDate": "1933-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Jammu and Kashmir", "county": "Leh", "municipality": "", "locality": "Tso Kar, Rupshu", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "4267", "maximumElevationInMeters": ""}