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": ""}
VAR. JW  MARGERY S. ANTHONY ~Z R=   along lost mine trail, chisos mts., big bend nat. park N     OPUNTIA !t[   o (engelm.) parfitt & pinkava    &* engelmannii  g lindheimeri  8  brewser 1948-07-15 pF?q   Caryophyllales RCEA!  TEXAS A!    united states  bD    iRh8Z Opuntia engelmannii var. lindheimeri 791 S    6 cactaceae  1644065 e_d   
{"catalogNumber": "1644065", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia engelmannii var. lindheimeri", "scientificNameAuthorship": "(Engelm.) Parfitt & Pinkava", "genus": "Opuntia", "subgenus": "", "specificEpithet": "engelmannii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "lindheimeri", "identifiedBy": "", "recordedBy": "Margery S. Anthony", "recordNumber": "791", "verbatimEventDate": "1948-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Along Lost Mine Trail, Chisos Mts., Big Bend Nat. Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}