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": ""}
  1906-08-05 7u    w3RI Canada   y muhlenbergia cuspidata  : cuspidata   41 john magoun          un poales  wk| (Torr. ex Hook.) Rydb.      Muhlenbergia ys   Z@ 1417570   F 77172  F] saskatchewan
{"catalogNumber": "1417570", "order": "Poales", "family": "", "scientificName": "Muhlenbergia cuspidata", "scientificNameAuthorship": "(Torr. ex Hook.) Rydb.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "cuspidata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Macoun", "recordNumber": "77172", "verbatimEventDate": "1906-08-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Saskatchewan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}