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": ""}
  ^c john h. ehlers  45.56668 o  ranunculaceae  OSG  cutover hardwoods  @:[p          r L.      2s DOUGLAS LAKE, GRAPEVINE POINT  1921-07-15  6  di=oicum cc8   E E? cheboygan  THALICTRUM uG a   
{"catalogNumber": "", "order": "", "family": "Ranunculaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Thalictrum", "subgenus": "", "specificEpithet": "dioicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1921-07-15", "habitat": "Cutover hardwoods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "Douglas Lake, Grapevine Point", "decimalLatitude": "45.56668", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}