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": ""}
   N Poaceae  poales ET~n   / ROBERT S. WILLIAMS  (^ CALAMAGROSTIS   hxQ CALAMAGROSTIS RUBESCENS  V)M_0 bukley  Montana u.Q   united states R    Contact UM Herbarium :wx     Q rubesens  flathead ^1 .Z   Ju@m 1408779    1893-09-23 (|<M 
{"catalogNumber": "1408779", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis rubescens", "scientificNameAuthorship": "Buckley", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "rubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert S. Williams", "recordNumber": "", "verbatimEventDate": "1893-09-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Montana", "county": "Flathead", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}