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": ""}
  4DH ASTERACEAE  tURu symphyotrichum  H 42.82475  (KZ~ michigan    asterales 0*5m   K .V -83.26466 1921-10-12 [   LuH6- United States     0Y8Q oakland oliver a. farwell v   c (L.) Ã. LÃ¶ve & D. LÃ¶ve  / laeve  1250936  q   (Tc  symphyotrichum laeve   Oxford  :G=    6102  s%Q 
{"catalogNumber": "1250936", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum laeve", "scientificNameAuthorship": "(L.) \u00c3\u0081. L\u00c3\u00b6ve & D. L\u00c3\u00b6ve", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "laeve", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "6102", "verbatimEventDate": "1921-10-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Oxford", "decimalLatitude": "42.82475", "decimalLongitude": "-83.26466", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}