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": ""}
   ~ +N caryophyllales  haw. WQrl     !G donald j. pinkava    opuntia [  1938-06-22 nHjT     G UTAH  ,.+:Z var.      On the Green River at Hell Koarng Canyon e8~       P+^ cactaceae  e_Dy  1618237  
{"catalogNumber": "1618237", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "", "scientificNameAuthorship": "Haw.", "genus": "Opuntia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "Donald J. Pinkava", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1938-06-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Utah", "county": "", "municipality": "", "locality": "On the Green River at Hell Koarng Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}