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": ""}
   YEG.n 1973-07-07   3731 `*zTu   Wj> 1285199 CANADA  ([4     conc. vi lot 17, matchedash twp. 2 miles south of severn falls. S4  Gravelly centre of old road. Xe]!  vulpinoidea <ik$F    T  Carex vulpinoidea poales         * carex  CYPERACEAE iW+0  anton a. reznicek Or@|e    ontario mt 
{"catalogNumber": "1285199", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex vulpinoidea", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "vulpinoidea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "3731", "verbatimEventDate": "1973-07-07", "habitat": "Gravelly centre of old road.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Conc. VI Lot 17, Matchedash Twp. 2 miles south of Severn Falls.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}