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": ""}
   @W "Infrequent"    TNRi 1896-05-18   *(^J charles k. dodge       9 JUGLANS NIGRA   hsBJ[ s.n.   ] UNITED STATES       1349220   pP Juglandaceae ST. CLAIR N      Lf4(; nigra  Bt juglans
{"catalogNumber": "1349220", "order": "", "family": "Juglandaceae", "scientificName": "Juglans nigra", "scientificNameAuthorship": "", "genus": "Juglans", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "1896-05-18", "habitat": "", "occurrenceRemarks": "\"Infrequent\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "St. Clair", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}