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": ""}
   42.274058  )?p 1939-10-02  along roadside. L    Asterales 7E_6   z%Y( cordifolium    b 1250704 WASHTENAW C7  "Rootstock perennial, rays of flowers bluish-lavender." `^v   symphyotrich|um fG  8286 ~O3@      Symphyotrichum cordifolium R?R    r michigan  N? -83.671527   Cl-s` (L.) G. L. NESOM 
{"catalogNumber": "1250704", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum cordifolium", "scientificNameAuthorship": "(L.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "cordifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "8286", "verbatimEventDate": "1939-10-02", "habitat": "along roadside.", "occurrenceRemarks": "\"Rootstock perennial, rays of flowers bluish-lavender.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.274058", "decimalLongitude": "-83.671527", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}