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": ""}
     canescens un      5SrE Poales        Q, L.          wcW 1971-07-04 61Â° 20' N 117Â° 50' W 9?c    wr rt. 1, mackenzi highway, 1 mi e of trout river.
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "canescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1971-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Rt. 1, Mackenzie Highway, 1 mi e of Trout River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "61\u00c2\u00b0 20' N 117\u00c2\u00b0 50' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}