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": ""}
  richard evans schultes et isidoro cabrera     HEVEA Cu    [LD 17769     1952-10-05          la pedrera eP_@  Colombia qL  rio caqueta, la pedrera and vicinity. cerro de la pedrera g9tX        
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Hevea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Richard Evans Schultes et Isidoro Cabrera", "recordNumber": "17769", "verbatimEventDate": "1952-10-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Colombia", "stateProvince": "", "county": "La Pedrera", "municipality": "", "locality": "Rio Caqueta, La Pedrera and vicinity. Cerro de La Pedrera", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}