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": ""}
  juncus &    D~ george vasey     d~ juncaceae    #($ subsp.  qm sm.  castaneus .  colorado B  poales r! b  castaneus k;Z4   UNITED STATES .Si     5%u 447840  )N Contact UM Herbarium     s.n. ;xf 
{"catalogNumber": "1447840", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "Sm.", "genus": "Juncus", "subgenus": "", "specificEpithet": "castaneus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "castaneus", "identifiedBy": "", "recordedBy": "George Vasey", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}