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": ""}
 0 n2 Mackenzie District, Mackenzie Mountains, Keele River at "Caribou Flats".     ho  POALES petrcos4 ?B  cyperaceae 6/R          1382890   05]  Canada PjF   Qggl 20057 DE!WEY :  VAR. 2   qto petricosa    40S 1971-07-18  kU B$ CAREX  ^*G fort smith region 
{"catalogNumber": "1382890", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "petricosa", "verbatimTaxonRank": "var.", "infraspecificEpithet": "petricosa", "identifiedBy": "", "recordedBy": "", "recordNumber": "20057", "verbatimEventDate": "1971-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Fort Smith Region", "municipality": "", "locality": "Mackenzie District, Mackenzie Mountains, Keele River at \"Caribou Flats\".", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}