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": ""}
 Pb;[- 1939-05  CACTACEA3 w5aO:     united stats  O:C   q&? Region of the Bla.ck Hills, Smithwick   soutb dakota w,     l fragilis 1006793 CG6p   a CLAUDE A. BARR   M fall river Caryophyllales a<Hq>  BRUCE D. PARFITT ~.    k*CEl Opuntia fragilis      
{"catalogNumber": "1006793", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia fragilis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "fragilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Bruce D. Parfitt", "recordedBy": "Claude A. Barr", "recordNumber": "", "verbatimEventDate": "1939-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Fall River", "municipality": "", "locality": "Region of the Black Hills, Smithwick", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}