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": ""}
   ([x&Y United States boreale IH        1439 Wm   cBg4 symphyotrichum boreale  U8 |r MICHIGAN     "(A tract of 120 acres of alternating sand ridges and shallow swales in sec. 7, Hume Township.) Ligules whi7e to pinish-white." "dupl. det. L. H. Shinners" s        HURON  -B     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Symphyotrichum boreale", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "boreale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1439", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"(A tract of 120 acres of alternating sand ridges and shallow swales in sec. 7, Hume Township.) Ligules white to pinkish-white.\" \"dupl. det. L. H. Shinners\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Huron", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}