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": ""}
 Ct xB 42.933643 asterales  tzV    n  Jx asteraceae Michigan Gfm-     7vV united states   @ C (lindl. ex dc.) g. l. nesom 1251870 xL     KENT B  symphyotrichum urophyllum J?Itx  symphyotrichum >   1892-08-30  i^    ELg ! lowell. -85.341961 Y      UROPHYLLUM luK   f( emma j. cole
{"catalogNumber": "1251870", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum urophyllum", "scientificNameAuthorship": "(Lindl. ex DC.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "urophyllum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "", "verbatimEventDate": "1892-08-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "Lowell.", "decimalLatitude": "42.933643", "decimalLongitude": "-85.341961", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}