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 LEPTOTOMA Bo?s     Trr. >B,U>     z| 4619         Convolvulaceae F    @ leptotoa   1299393 k  gordon d. mcpherson  v@S   Ipomoea 8H 
{"catalogNumber": "1299393", "order": "", "family": "Convolvulaceae", "scientificName": "Ipomoea leptotoma", "scientificNameAuthorship": "Torr.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "leptotoma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "", "recordNumber": "4619", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}