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": ""}
  t (AITON) CRONQVIST  y MICHIGAN  1960-05-29 f     S=9b  -84.47803  united states 94   g x4~ 45.773385   ,]H` VAR.  G SB Asteraceae  u "Fragrant."     1255926 *  mackinac 2    T5 PETASITES FRIGIDUS VAR. PALMATUS   EDWARD G. VOSS R  9514 d@- ]   139 frigidus
{"catalogNumber": "1255926", "order": "", "family": "Asteraceae", "scientificName": "Petasites frigidus var. palmatus", "scientificNameAuthorship": "(Aiton) Cronquist", "genus": "", "subgenus": "", "specificEpithet": "frigidus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "9514", "verbatimEventDate": "1960-05-29", "habitat": "", "occurrenceRemarks": "\"Fragrant.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "", "decimalLatitude": "45.773385", "decimalLongitude": "-84.47803", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}