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": ""}
ILLEGIBLE sg     k no data UNITED STATES $L%    5C b 1893-07-24 IPOMOEA PANDURATA y p  Washington, D.C. FSQ    A IPOMOEA  P Sl 1460721  blc (L.) G. Mey. solanales lE)     ^? pandurata   230 1:+x     gravely, cindery, artificial gq     
{"catalogNumber": "1460721", "order": "Solanales", "family": "", "scientificName": "Ipomoea pandurata", "scientificNameAuthorship": "(L.) G. Mey.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "pandurata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "illegible", "recordNumber": "230", "verbatimEventDate": "1893-07-24", "habitat": "gravely, cindery, artificial", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington, D.C.", "county": "no data", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}