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": ""}
 P z CONVOLVULACEAE  fk Ipomoea  NORTH CAROLINA <=t    @N new hanover 17069 %$ !?   fort fisher, south of wilmington c0-   n0SZ ROXB. EX C.B.CLARKE  sagittata _Rw a   Um+ solanales   y6l United States    Ipomoea sagttata imL)^      %i690 1960-07-17 1460894 (i/     YJijG C. RITCHIE BELL 
{"catalogNumber": "1460894", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea sagittata", "scientificNameAuthorship": "Roxb. ex C.B.Clarke", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "sagittata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Ritchie Bell", "recordNumber": "17069", "verbatimEventDate": "1960-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "New Hanover", "municipality": "", "locality": "Fort Fisher, south of Wilmington", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}