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 1940-0-10   -MbW poales   yuMWb tweedyi calamagrostis N  chelan -   a WASHINGTON  calamagrostis tweeyi v       f  POACEAE     e/B2 14 970 (Scribn.) Scribn. ex Vasey g s     United States s     j. william thompson 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis tweedyi", "scientificNameAuthorship": "(Scribn.) Scribn. ex Vasey", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "tweedyi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. William Thompson", "recordNumber": "14 970", "verbatimEventDate": "1940-07-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington", "county": "Chelan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}