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": ""}
   oR 45.979931   r MACKINAC 279 %CrN    1251609 aG    :PiXF* 1916-09-10    C; ( shore of prentis bay, symphyotrichum pilosum var. pringlei V92b  Shore of Prentis Bay b O+     R]^ii -84.22448   skf (a. gray) q. l. nesom   -~ john h. ehlers  var. Y  michigan oqF  Symphyotrichum BtA   T*G ASTERALES  1L  PRINGLEI 
{"catalogNumber": "1251609", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum pilosum var. pringlei", "scientificNameAuthorship": "(A. Gray) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pringlei", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "279", "verbatimEventDate": "1916-09-10", "habitat": "Shore of Prentis Bay,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Shore of Prentis Bay", "decimalLatitude": "45.979931", "decimalLongitude": "-84.22448", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}