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": ""}
 KpO louisiana 5.n. c     cj Catalpa bignonioides CATALPA &      Z5V+~ j. f. joor, m. d.   Lamiales HlH   8k Bignoniaceae  Q walter      [x bignonioides        1540606 Baton Rouge, low woods @XaBK  
{"catalogNumber": "1540606", "order": "Lamiales", "family": "Bignoniaceae", "scientificName": "Catalpa bignonioides", "scientificNameAuthorship": "Walter", "genus": "Catalpa", "subgenus": "", "specificEpithet": "bignonioides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. F. Joor, M. D.", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Louisiana", "county": "", "municipality": "", "locality": "Baton Rouge, low woods", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}