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": ""}
    cB N. L. Britton, H. H. Rusby       G6.j TECOMA STANS VAR. VELUTNA 1315  w6  Lamiales uQ  dc. dh w=    1541973 >8Va)    velutina E     VAR.  yS@U  bignoniaceae STANS )2mT      
{"catalogNumber": "1541973", "order": "Lamiales", "family": "Bignoniaceae", "scientificName": "Tecoma stans var. velutina", "scientificNameAuthorship": "DC.", "genus": "", "subgenus": "", "specificEpithet": "stans", "verbatimTaxonRank": "var.", "infraspecificEpithet": "velutina", "identifiedBy": "", "recordedBy": "N. L. Britton, H. H. Rusby", "recordNumber": "1315", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}