You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (5aR,8aS)-1-piperidin-4-yl-2,3,5,5a,6,7,8,8a-octahydrocyclopenta[e][1,4]oxazepine is given. What is its corresponding molecular formula?
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C13H24N2O
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