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": ""}
 A0    Sangamon 2 MILES N OF AUBURN ALONG CHICAGO AND ALTON RAILROAD TRACKS  ~Bv    _, Asterales   CIRSIUM jS   326 aaZ   CHRISTOPHER WARNEKE ;^     HE DANA P. SNYDER     ``WR  UNITED STATES       V ASTERACEAE    discolor o+d 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Cirsium", "subgenus": "", "specificEpithet": "discolor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Christopher Warneke", "recordedBy": "Dana P. Snyder", "recordNumber": "326", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Sangamon", "municipality": "", "locality": "2 miles N of Auburn along Chicago and Alton Railroad tracks", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}