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": ""}
 - c symphyotrichum oolentangiense    3&9m 1251546   ,  J bass lake.   OAK WOODS, Te    rP MICHIGAN  )*H7 UNITED STATES  Asteraceae ^RD1   @mK 5532  fX  2 John H. Ehlers (riddell) g. l. nesom +   [ , OOLENTANGIENSE   okd -83.86186   42.45415 8 ,  1933-10-01 VP  Symphyotrichum yV    
{"catalogNumber": "1251546", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum oolentangiense", "scientificNameAuthorship": "(Riddell) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "oolentangiense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "5532", "verbatimEventDate": "1933-10-01", "habitat": "Oak woods,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Bass Lake.", "decimalLatitude": "42.45415", "decimalLongitude": "-83.86186", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}