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": ""}
   s.n.  N*   var. Y[Z       Kk ranunclus  RANUNCULACEA3 [V*l  FREDERICK W. CASE, JR., ROBERTA B. CASE, DAVID CASE & GEORGE L. BURROWS IV    MICHIGAN 2$   3*+Y hispidus   x1X60 united states      ^]; thomas duncan nitidus M$)Fu  -84.079815 U-,    1345776 epnD>  st. charles twp. (%O/ 
{"catalogNumber": "1345776", "order": "", "family": "Ranunculaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "hispidus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nitidus", "identifiedBy": "Thomas Duncan", "recordedBy": "Frederick W. Case, Jr., Roberta B. Case, David Case & George L. Burrows IV", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "St. Charles Twp.", "decimalLatitude": "", "decimalLongitude": "-84.079815", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}