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": ""}
  21 wn 1970 rosa blanda t .    MICHIGAN _43   -84.674366 QS^` D   united states |   BLADA 2<=@b      v@d 1470045  A cheboygan biol.; station douglas lake. j eaE  ROSA w8   rJ [. 1922-06-25   .8 Aiton  n:B john h. ehlers  rosaceae !TU  45.558729       rosales gk 
{"catalogNumber": "1470045", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rosa blanda", "scientificNameAuthorship": "Aiton", "genus": "Rosa", "subgenus": "", "specificEpithet": "blanda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1970", "verbatimEventDate": "1922-06-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Biol. Station Douglas Lake.", "decimalLatitude": "45.558729", "decimalLongitude": "-84.674366", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}