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": ""}
  1256170 DW$8   42.73281 id    @A United States  a= 1917-10-07  :2Zkd Prenanthes   ~| oakland     prenanthes racemosa     C[ MICHX.  k+=< racemosa  dynx Goodison MICHIGAN $a@u|     ASTERACEAE lq   j&;u* asterales  Oliver A. Farwell A   Bj>IQ -83.16244
{"catalogNumber": "1256170", "order": "Asterales", "family": "Asteraceae", "scientificName": "Prenanthes racemosa", "scientificNameAuthorship": "Michx.", "genus": "Prenanthes", "subgenus": "", "specificEpithet": "racemosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "", "verbatimEventDate": "1917-10-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Goodison", "decimalLatitude": "42.73281", "decimalLongitude": "-83.16244", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}