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": ""}
   >  ? opuntia engelmannii var. lindheimeri    | With Quercus, Stophylla and gras5es opuntia y   rZ?J cactaceae  cat 7il canyon (nw base of ward mt.), big bend nat. park 16,       lindheimeri  T engelmannii L. Benson  |H   @,_8 MARGERY S. ANTHONY TEXAS 9  (Engelm.) Parfit7 & Pinkava v  1948-05-08 <GH   B brewster United States       f  VAR.   ?)7o1 314     
{"catalogNumber": "", "order": "", "family": "Cactaceae", "scientificName": "Opuntia engelmannii var. lindheimeri", "scientificNameAuthorship": "(Engelm.) Parfitt & Pinkava", "genus": "Opuntia", "subgenus": "", "specificEpithet": "engelmannii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "lindheimeri", "identifiedBy": "L. Benson", "recordedBy": "Margery S. Anthony", "recordNumber": "314", "verbatimEventDate": "1948-05-08", "habitat": "With Quercus, Stophylla and grasses", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Cat tail Canyon (NW base of Ward Mt.), Big Bend Nat. Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}