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": ""}
  rudbeckia xCj=   h hirta 1857-08 06i-     :9 s.n.   FfB, asterales   L. 3 %     91W  Asteraceae     : UNITED STATES   BENNINGTON      GEORGE L. AMES u   Mu Rudbeckia hirta  
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Rudbeckia hirta", "scientificNameAuthorship": "L.", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1857-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Bennington", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}