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": ""}
  817d W`.       MADISON ii   verbesi<na s&M   alluvial banks ~Y   UNITED STATES <R    v:a^B 1834-v09-20  tB;jF Kentucky RivFer, nearElk Lick   ( Asteraceae    (L.) Walter 31NNC   W ASTERALES   
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(L.) Walter", "genus": "Verbesina", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "817d", "verbatimEventDate": "1834-09-20", "habitat": "Alluvial banks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Madison", "municipality": "", "locality": "Kentucky River, near Elk Lick", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}