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": ""}
  722     , DU viola cucullata  viola $   united states +B   NL0 "vovcher specimen for m.s. thesis."  -86.316785 rx  Kathleen A. Kron U:/   wet soil, edges of thickets and prairie a<H       B2e0 1350984  michigan       Harvey E. Ballard, Jr. m   4w1 Berrien  )0ap! cucullata  
{"catalogNumber": "1350984", "order": "", "family": "", "scientificName": "Viola cucullata", "scientificNameAuthorship": "", "genus": "Viola", "subgenus": "", "specificEpithet": "cucullata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "Kathleen A. Kron", "recordNumber": "722", "verbatimEventDate": "", "habitat": "wet soil, edges of thickets and prairie", "occurrenceRemarks": "\"Voucher specimen for M.S. Thesis.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.316785", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}