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": ""}
    Ontario =M   A.  -83.2520182     t Poales  MICHAEL J. OLDHAM@ K?#c#   -U CANADA open rock near river Z74v@   carex umb/ellata M(  michael j. oldhamG     y cochrane  F%Jm3 rare       x^QH: 2003-06-22 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex umbellata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Michael J. Oldham", "recordedBy": "Michael J. Oldham", "recordNumber": "", "verbatimEventDate": "2003-06-22", "habitat": "open rock near river", "occurrenceRemarks": "rare", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Cochrane", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.2520182", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}