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": ""}
 PERESKIA Tfh  ST. LUCIE rtw   k j. k. small   1%ui  HAMMOC ON SAND-DUNES   )]j united states   Cq~4~ CARYOPHYLLALES  8_g 1917-12-20   P CACTACEAE  6 miles south of ft. pierce %h    p ACULEATA  9u ` 8458    ;m0 mill.   VC n FLORIDA 1644521 C8   PERESKIA ACULEATA a2F    B. LEUENBERGER U6 
{"catalogNumber": "1644521", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Pereskia aculeata", "scientificNameAuthorship": "Mill.", "genus": "Pereskia", "subgenus": "", "specificEpithet": "aculeata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "B. Leuenberger", "recordedBy": "J. K. Small", "recordNumber": "8458", "verbatimEventDate": "1917-12-20", "habitat": "Hammock on sand-dunes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "St. Lucie", "municipality": "", "locality": "6 miles south of Ft. Pierce", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}