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": ""}
 314 i;!  1948-05-08 *=  VAR. /^]   /S CARYOPHYLLALES   Opuntia L    @ margery s. anthony 1644252  l      ?VVQD Texas   p CACTACEAE      > with quercus, stophylla and grasses  _ @C engelmannii L. Benson bk S  united states  ;Km  (Engelm.) Parfitt & Pinkava ,  CAT TAIL CANYON  (NW BASE OF WARD MT.), BIG BEND NAT.+ PAK TZbP    
{"catalogNumber": "1644252", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "", "scientificNameAuthorship": "(Engelm.) Parfitt & Pinkava", "genus": "Opuntia", "subgenus": "", "specificEpithet": "engelmannii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "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": "", "municipality": "", "locality": "Cat tail Canyon (NW base of Ward Mt.), Big Bend Nat. Park", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}