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": ""}
  ;> walter n. koelz   Si  laetus  india r *PP       W 2743  uttarakhand aqg   sc o1500073    mB*& wan, garhwal  j 20470   )$xq` Along field    8 Cv 1948-05-23  ranunculus    NM0=! Rannculaceae  
{"catalogNumber": "1500073", "order": "", "family": "Ranunculaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "laetus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "20470", "verbatimEventDate": "1948-05-23", "habitat": "Along field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Uttarakhand", "county": "", "municipality": "", "locality": "Wan, Garhwal", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2743", "maximumElevationInMeters": ""}