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": ""}
 K4+?^ 1325 SADY SHORE OF PRENTIS BAY, PZj   N F (A. GRAY) G. L. NESOM  P _2 45.979787  -84.223266 iZ   v^ Michigan  Q Y 1920-08-28  Symphyotrichum B    asterales nv@J   VAR.  )    ZQ United State5     MACKINAC X98dO  Asteraceae [1    >U JOHN H. EHLERS  ` sandy shore 0f prentis bay  PILOSUM  j8[ 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(A. Gray) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "pilosum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1325", "verbatimEventDate": "1920-08-28", "habitat": "Sandy shore of Prentis Bay,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Sandy shore of Prentis Bay", "decimalLatitude": "45.979787", "decimalLongitude": "-84.223266", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}