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": ""}
  R. W. SMITH %      Tragia urticifolia ^     tragia ;B  2248 P   1987-07-02 ;   jefferson r[6!    KU MICHX.    ZB COLORADO       9&r 1645830 urticifolia ;Klj 
{"catalogNumber": "1645830", "order": "", "family": "", "scientificName": "Tragia urticifolia", "scientificNameAuthorship": "Michx.", "genus": "Tragia", "subgenus": "", "specificEpithet": "urticifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. W. Smith", "recordNumber": "2248", "verbatimEventDate": "1987-07-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Colorado", "county": "Jefferson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}