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  U willd. head of hornby bay, n of the arctic circle, ne end of mctavish arm, great bear lake. V rfN  wet beach, sand point at mouth of small river  ~<W   POALES ;ynAx    Ganada ]R9(    JUNCACEAE bHqLE     3197  P),   _ NORTHWEST TERRITORIES JUNCUS ARCTICUS E]ad6  ARCTICUS ,*     I 1948-07-27   % 1446745 
{"catalogNumber": "1446745", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus arcticus", "scientificNameAuthorship": "Willd.", "genus": "", "subgenus": "", "specificEpithet": "arcticus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "3197", "verbatimEventDate": "1948-07-27", "habitat": "Wet beach, sand point at mouth of small river", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Northwest Territories", "county": "", "municipality": "", "locality": "Head of Hornby Bay, N of the Arctic Circle, NE end of McTavish Arm, Great Bear Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}