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": ""}
 MICHIGAN !d   @m 1957-08-18  l 1251847  e 44.63115    M asterales  urophyllum iU   Symphyotrichum <$  kalkaska >TP?   5247 h&l$   $ OCCASIONAL, DRY SANDY OPEN GROUND    Ym -85.29417        % [dupl. ! l. h. shinners, 1959] (lindl. ex dc.) g. l. nesom  -?   $ united states
{"catalogNumber": "1251847", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Lindl. ex DC.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "urophyllum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5247", "verbatimEventDate": "1957-08-18", "habitat": "occasional, dry sandy open ground", "occurrenceRemarks": "[dupl. ! L. H. Shinners, 1959]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kalkaska", "municipality": "", "locality": "", "decimalLatitude": "44.63115", "decimalLongitude": "-85.29417", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}