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 [r scotty bay    45.975853 m5Cz  1226994 fM6h   LAMIACEAE XJ+]u    -84.194464 %   United States D$   249 OQ>uZ   mentha &zL  CANADENSIS G   Michigan r<1 3_    FD+>W John H. Ehlers  2 L.  8k;a Marshy shore  eYKpS LAMIALES   _. MENTHA CANADENSIS
{"catalogNumber": "1226994", "order": "Lamiales", "family": "Lamiaceae", "scientificName": "Mentha canadensis", "scientificNameAuthorship": "L.", "genus": "Mentha", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "249", "verbatimEventDate": "", "habitat": "Marshy shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Scotty Bay", "decimalLatitude": "45.975853", "decimalLongitude": "-84.194464", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}