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 tuba n     P r. kral      )y5 TUBA  (Schltdl.) G. Don_   _ X 1973-09-19   Rc NORTH END OF KEY LARGO COR. WHITE, OPEN IN EVENING gE/9s   ~rj % convolvulaceae          
{"catalogNumber": "", "order": "", "family": "Convolvulaceae", "scientificName": "Ipomoea tuba", "scientificNameAuthorship": "(Schltdl.) G. Don", "genus": "", "subgenus": "", "specificEpithet": "tuba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Kral", "recordNumber": "", "verbatimEventDate": "1973-09-19", "habitat": "", "occurrenceRemarks": "Cor. white, open in evening", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "North end of Key Largo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}