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": ""}
   Caryophyllales k[   brevard O^   Rk] united states    Dry, open roadside in sand dune p*?    4895 rOYO      CACTACEAE n,   x OPUNTIA AUSTRINA    ;Un LUCAS C. MAJURHE   SMALL t   9 FLORIDA   Ka 1644272  Ke~1 d. f. brunton
{"catalogNumber": "1644272", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia austrina", "scientificNameAuthorship": "Small", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Lucas C. Majure", "recordedBy": "D. F. Brunton", "recordNumber": "4895", "verbatimEventDate": "", "habitat": "Dry, open roadside in sand dune", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Brevard", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}