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": ""}
     CATALPA BIGNONIOIDES G.],v  BARBOUR /_]    c[ WALTER    STY R. KRAL  i alabama LAMIALES @+   @! UNITED STATES CATALPA t5Qe     1968-05-20 ic   1540598  N-   30896 KA    .@gU< ca. 8 mi. w. jct 30 and US 431 bignonioides q/D   bignoniaceae E 
{"catalogNumber": "1540598", "order": "Lamiales", "family": "Bignoniaceae", "scientificName": "Catalpa bignonioides", "scientificNameAuthorship": "Walter", "genus": "Catalpa", "subgenus": "", "specificEpithet": "bignonioides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Kral", "recordNumber": "30896", "verbatimEventDate": "1968-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "Barbour", "municipality": "", "locality": "ca. 8 mi. w. jct 30 and US 431", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}