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": ""}
    R:!u United States    u carolyn stone  1958-05-18 ~[<`  5935 Nl    O#3 Asarum canadense var. reflexum  _2 -85.112329     N. (E.P. Bicknell) B.L. Rob.  i PIERALES  u 4< asarum   MICHIGAN o`h_  44.193566 PF1]       
{"catalogNumber": "", "order": "Piperales", "family": "", "scientificName": "Asarum canadense var. reflexum", "scientificNameAuthorship": "(E.P. Bicknell) B.L. Rob.", "genus": "Asarum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Carolyn Stone", "recordedBy": "", "recordNumber": "5935", "verbatimEventDate": "1958-05-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "44.193566", "decimalLongitude": "-85.112329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}