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": ""}
    u$ collingwood township, conc i, lot 3, 8 km southwest of collingwood, prett river valley.  X 1982-07-23   ,a 6881 ONTARIO ^|   Poales P7Z)_   Canada bJ:f    CYPRACEAE  (d     FLAVA A   grey m#2    C carex flava     U kn carex 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex flava", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "flava", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "6881", "verbatimEventDate": "1982-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Grey", "municipality": "", "locality": "Collingwood Township, Conc I, lot 3, 8 km southwest of Collingwood, Pretty River Valley.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}