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 (4aR,7aR)-4-benzyl-2,3,4a,5,7,7a-hexahydrofuro[3,4-b][1,4]oxazine is given. What is its corresponding molecular formula?
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C13H17NO2
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