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": ""}
 $ St. Charles 7wp.   anunculaceae s   ?f ranunculales   o`4 Ranunculus hispidus var. nitidus    +3e 43.284866   Michigan So   ) F Frederick W. Case, Jr., Roberta B. Case, David Case & George L. Burrows IV 1968-04-21 ]#Bc  (Chapm.) T. Duncacn  h   a.9 1345776  tDW ranunculus hispidus Q?  Saginaw = (`     wYTh  s.n.  dt/2T United States var. 9ATJ  -84.079815 ,  nitid4us *C0R  Thomas Duncan D  
{"catalogNumber": "1345776", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Ranunculus hispidus var. nitidus", "scientificNameAuthorship": "(Chapm.) T. Duncan", "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": "1968-04-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "St. Charles Twp.", "decimalLatitude": "43.284866", "decimalLongitude": "-84.079815", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}