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": ""}
 @916 54â°48'n, 82â°20'w           u  poa    > Q[ Canada   1421104 T nZP   r)WcG 2668e   Gm)k] Poaceae  oMB5 1979-07     Poa arctica  Q  
{"catalogNumber": "1421104", "order": "", "family": "Poaceae", "scientificName": "Poa arctica", "scientificNameAuthorship": "", "genus": "Poa", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2668e", "verbatimEventDate": "1979-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "54\u00c2\u00b048'N, 82\u00c2\u00b020'W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}