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": ""}
  F (vahl) griseb.  Iy AMONG LOW DUNES NEAR SOUTH END OF SAPELO ISLND    % IPOMOEA  8 e# SOLANALES     20217 Vr F7   :cbJT GEORGIA COROLLA WHITE, THE THROAT YELLOWISH @       t united states   3U 1956-06-28   8xH!b CONVOLVULACEAE     Vh Wilbur H. Duncan ipomoea imperati jT>   .T 1544995
{"catalogNumber": "1544995", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea imperati", "scientificNameAuthorship": "(Vahl) Griseb.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Wilbur H. Duncan", "recordNumber": "20217", "verbatimEventDate": "1956-06-28", "habitat": "", "occurrenceRemarks": "Corolla white, the throat yellowish", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "", "municipality": "", "locality": "Among low dunes near south end of Sapelo Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}