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": ""}
pontoon lake, rt. 4; 17 mi e of yellowknife. FgC   h.:t, CAREX BRUNNESCENS   ,@E (pers.) poir.  Np 62.55  brunnescens +#2*     $ 71-119    &   maximilian g. duman 1971-07-13 -0    xi4x POALS Carex /)k   ! F& Canada  C 66â° 33' n 114â° 03' w    9 Northwest Territories     
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex brunnescens", "scientificNameAuthorship": "(Pers.) Poir.", "genus": "Carex", "subgenus": "", "specificEpithet": "brunnescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Maximilian G. Duman", "recordNumber": "71-119", "verbatimEventDate": "1971-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Northwest Territories", "county": "", "municipality": "", "locality": "Pontoon Lake, Rt. 4; 17 mi e of Yellowknife.", "decimalLatitude": "62.55", "decimalLongitude": "", "verbatimCoordinates": "66\u00c2\u00b0 33' N 114\u00c2\u00b0 03' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}