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+ ONTARIO    b?2  Between Crestwood Dr. (Old Benetanguisen Rd) & Shanty Bay road ca. 1 1/2 miles east of centre of Barrie.             CAREX BACKII Cbs   1362898 1    BACKII u Jn  1974-05-11 h_&rw     [& BOOTT  CAREX Q7 |c 
{"catalogNumber": "1362898", "order": "", "family": "", "scientificName": "Carex backii", "scientificNameAuthorship": "Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "backii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1974-05-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Between Crestwood Dr. (Old Penetanguisen Rd) & Shanty Bay road ca. 1 1/2 miles east of centre of Barrie.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}