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": ""}
   E. Bignoniaceae     1970-03-25 7  BRAZIL mRW  Minads Gerais  TcF   Q 1540400  28324 J  arrabidaea t~      0J1 e (cham.) sandwith   CA. 2KM N. OF SÃ£O DA CHAPADA J9%     sceptrum ( M?   
{"catalogNumber": "1540400", "order": "", "family": "Bignoniaceae", "scientificName": "", "scientificNameAuthorship": "(Cham.) Sandwith", "genus": "Arrabidaea", "subgenus": "", "specificEpithet": "sceptrum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "28324", "verbatimEventDate": "1970-03-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Brazil", "stateProvince": "Minas Gerais", "county": "", "municipality": "", "locality": "ca. 2km N. of S\u00c3\u00a3o da Chapada", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}