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": ""}
  xW3S LUZULA MULTIFLORA VAR. FRIGIDA    aE  frigida    3 North slope of Nu7zotin Mts., near mi. 1345  ?C+5 copper river  1668312 Y   M % Luzula  14X ALASKA    +i_ (buch.) samuelsson  +pfpl multiflora      g/c H. M. & L. G. RAUP lat. 63â° 23' n., long. 143â° 45' w. Z|@ch   SHJ r JUNCACEAE  12837 1   )l UNITED STATES 
{"catalogNumber": "1668312", "order": "", "family": "Juncaceae", "scientificName": "Luzula multiflora var. frigida", "scientificNameAuthorship": "(Buch.) Samuelsson", "genus": "Luzula", "subgenus": "", "specificEpithet": "multiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "frigida", "identifiedBy": "", "recordedBy": "H. M. & L. G. Raup", "recordNumber": "12837", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Copper River", "municipality": "", "locality": "North slope of Nutzotin Mts., near mi. 1345", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "Lat. 63\u00c2\u00b0 23' N., Long. 143\u00c2\u00b0 45' W.", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}