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Under IUPAC nomenclature, a molecule named (1S,6R)-9-methyl-3-[(7-methyl-2,3-dihydro-1,4-benzodioxin-6-yl)methyl]-3,9-diazabicyclo[4.2.1]nonane is given. What is its corresponding molecular formula?
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C18H26N2O2
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