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": ""}
    /qi@ Venezuela  MELCACTUS E  1939-04-14 4v~  7ortuga Island     vS Urb.   o Cactaceae melocactus intortus h7  no data >+zU      [Lp% Francis H. Elmore    tA] P 4 Caryophyllales g     - y intortus 1642517 Lf)h    
{"catalogNumber": "1642517", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Melocactus intortus", "scientificNameAuthorship": "Urb.", "genus": "Melocactus", "subgenus": "", "specificEpithet": "intortus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Francis H. Elmore", "recordNumber": "P 4", "verbatimEventDate": "1939-04-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Venezuela", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Tortuga Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}