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": ""}
  EtEG 0.4 MILE EAST OF WASHINGTON COUNTY LINE ON HIGHWAY 47, WEST OF BONNE TERRE.   9+u 6579      5   1981-06-14    jBRq CAREX  st. francois  E    ]v$ david castaner    carex oligocarpa b64  SCHKUHR EX WILLD. LJ/+  oligocarpa O UW     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex oligocarpa", "scientificNameAuthorship": "Schkuhr ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "oligocarpa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David Castaner", "recordNumber": "6579", "verbatimEventDate": "1981-06-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "St. Francois", "municipality": "", "locality": "0.4 mile east of Washington county line on Highway 47, west of Bonne Terre.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}