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": ""}
ipomoea uO  united states )E0~E   A-/s r. w. menzel 256 !vBo      $/> james city  VIRGINIA s;NlV  ipomoea hederacea /_   about 5 miles west of Toano C3kmY    =Aw jaq. 1939-08-04 $ Q    SOLANALES pyUG;  convolvulaceae     cl hederacea     *K9 1460641 field ?@@q3   
{"catalogNumber": "1460641", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea hederacea", "scientificNameAuthorship": "Jacq.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "hederacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. W. Menzel", "recordNumber": "256", "verbatimEventDate": "1939-08-04", "habitat": "field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "James City", "municipality": "", "locality": "about 5 miles west of Toano", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}