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": ""}
  !Xf[ GEORGIA WILBUR H. DUNCAN _            R Mcintosh      (X+ 20690   = mueh]lenbergii In Pon7ederia zone just inside Spartina bakeri zone of intermittent pond. `cp   STEUD. vs/       p 1956-10-18
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Steud.", "genus": "", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Wilbur H. Duncan", "recordNumber": "20690", "verbatimEventDate": "1956-10-18", "habitat": "In Pontederia zone just inside Spartina bakeri zone of intermittent pond.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Georgia", "county": "Mcintosh", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}