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 3-[4-(1H-indol-4-ylmethyl)-3,5-dihydro-2H-1,4-benzoxazepin-7-yl]-N,N-dimethylpropanamide is given. What is its corresponding molecular formula?
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C23H27N3O2
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