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": ""}
 B=QD GATTINGE7RI ST. LOUIS  <       Heinrich K.D. Eggert Gn     CHAPM. EX A. AY ;   MISSOURI 6M     187-08-23  ;u$            ngY 1443467
{"catalogNumber": "1443467", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Chapm. ex A. Gray", "genus": "", "subgenus": "", "specificEpithet": "gattingeri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Heinrich K.D. Eggert", "recordNumber": "", "verbatimEventDate": "1887-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "St. Louis", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}