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. I0M  1971-07-13 m~-d    northwest territories j    ] 66.55  > -114.05       66Â° 33' N 114Â° 03' W 7   carex )?$`    IdIlL Cyperaceae  )Y] Maximilian G. Duman      jchordorrhiza p[GT  71-155 -ro 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "chordorrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Maximilian G. Duman", "recordNumber": "71-155", "verbatimEventDate": "1971-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Northwest Territories", "county": "", "municipality": "", "locality": "Pontoon Lake, Rt 4, 17 mi E of Yellowknife.", "decimalLatitude": "66.55", "decimalLongitude": "-114.05", "verbatimCoordinates": "66\u00c2\u00b0 33' N 114\u00c2\u00b0 03' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}