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": ""}
  1951-10-05 1m?H  firmum a9n!s          E*e nited states   Barry kqmn  Harley H. Bartlett & Charles D. Richards s  Symphyotrichum firmum Y]8n    (nees) g. l. nesom q FqB   MICHIGAN H  YNKEE SPRINGS:1 MILE TO 1.7 M. SOUTHWEST OF JUNRCTION OF GUN LAKE ROAD AND YANKEE SPRINGS ROAD. W  42.59769 v.ib9    XX ASTERALES ANTONA. REZNICEK ^) 
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Harley H. Bartlett & Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1951-10-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Barry", "municipality": "", "locality": "Yankee Springs:1 mile to 1.7 m. southwest of junction of Gun Lake Road and Yankee Springs Road.", "decimalLatitude": "42.59769", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}