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": ""}
   asteraceae lf]   1250959 DU6a      S.N. 7wl   U.7Zl ASTERALES  (U 42.99284    LANCEOLATUM R   >@n= Located on partially shaded ground    _nL7M Symphyotrichum   tOEH C. K. DODGE 1892-09-19 V0 m   kPme a. a. reznicek SYMPHYOTRICHUM LANCEOLATUM 40q@  
{"catalogNumber": "1250959", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum lanceolatum", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "lanceolatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. A. Reznicek", "recordedBy": "C. K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "1892-09-19", "habitat": "Located on partially shaded ground", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.99284", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}