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": ""}
hansford t. shacklette 3[K5  region of great bear lake, near mouth of sloan river, head of hunter bay & along lower sloan & harrison rivers, eastern end of mctavish arm, great bear lake. IAO   l(M 1391261   !LT CANAD 3217 @g   !!C vaginata     POALES O:   cyperaceae 2! _    g%  Northwest Territories        1948-07-29    Carex |+6    j7PCg carex vaginata t ausch ?$ 
{"catalogNumber": "1391261", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex vaginata", "scientificNameAuthorship": "Tausch", "genus": "Carex", "subgenus": "", "specificEpithet": "vaginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "3217", "verbatimEventDate": "1948-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Northwest Territories", "county": "", "municipality": "", "locality": "Region of Great Bear Lake, near mouth of Sloan River, head of Hunter Bay & along lower Sloan & Harrison Rivers, eastern end of McTavish Arm, Great Bear Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}