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 HEDERACEA Qnd    fallow field (  POWELL 21kU  1 1/2 miles south of west bend =N1  United States :;X3   3M 2882 1460647 |5  Jacq. A)q     Ex mary e. wharton    HEDERACEA <,=X     ]*B 1938-06-28    LBtv! Solanales   IPOMOEA c@hf7    n Kentucky
{"catalogNumber": "1460647", "order": "Solanales", "family": "", "scientificName": "Ipomoea hederacea", "scientificNameAuthorship": "Jacq.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "hederacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary E. Wharton", "recordNumber": "2882", "verbatimEventDate": "1938-06-28", "habitat": "fallow field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Powell", "municipality": "", "locality": "1 1/2 miles south of West Bend", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}