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": ""}
 arborescens V3 R    )V MEXICO     Cuq 1298764 Sweet v   CONTACT UM HERBARIUM kP   pR B Solanales GORDON D. MCPHERSON e&uC8  4976 Ku     HVJlM ipomoea arborescens Sinaloa yN      HOWARD S. GENTRY n!u      UTgR1 ipomoea 1939-11-19    %n  
{"catalogNumber": "1298764", "order": "Solanales", "family": "", "scientificName": "Ipomoea arborescens", "scientificNameAuthorship": "Sweet", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "arborescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "Howard S. Gentry", "recordNumber": "4976", "verbatimEventDate": "1939-11-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}