You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[(5aS,8aS)-3,4,5,5a,6,7,8,8a-octahydro-2H-pyrrolo[3,4-b]azepin-1-yl]-2-(2-methoxyphenyl)ethanone into molecular formula.
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C17H24N2O2
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