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": ""}
    United States %x`      CAREX GRACILLIMA  4&3  frederick j. hermann O:R   ~H) 45.586169  1918-07-18 P     Jah cyperaceae  boh 223      xZ 1322597  MdM,? schwein.  Poales K`   )s GRACILLIMA
{"catalogNumber": "1322597", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex gracillima", "scientificNameAuthorship": "Schwein.", "genus": "", "subgenus": "", "specificEpithet": "gracillima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "", "recordNumber": "223", "verbatimEventDate": "1918-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.586169", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}