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": ""}
    em,- Carex brvnnescens m46.726389 O     cyperaceae g      m; 46â° 43' 35]" n 71â° 35' 55" w; 19tcb014778       t j+u poales  ((U; Quebec       
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex brunnescens", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Quebec", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.726389", "decimalLongitude": "", "verbatimCoordinates": "46\u00c2\u00b0 43' 35\" N 71\u00c2\u00b0 35' 55\" W; 19TCB014778", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}