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": ""}
   ~5MB 9335a  yd*/* 1647748  guainia b    inUd~ RICHARD EVANS SCHULTES   YN*_ caularthron bicornutum        El Castillo, SanFelipe, Rio Negro #>a      (Hook.) Raf. [excluded] *7~L      
{"catalogNumber": "1647748", "order": "", "family": "", "scientificName": "Caularthron bicornutum", "scientificNameAuthorship": "(Hook.) Raf. [excluded]", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Richard Evans Schultes", "recordNumber": "9335A", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Guainia", "county": "", "municipality": "", "locality": "El Castillo, San Felipe, Rio Negro", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}