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 [1-[[4-[3-(6-methoxypyridin-3-yl)-1H-pyrrolo[2,3-b]pyridin-5-yl]phenyl]methyl]piperidin-3-yl] acetate is given. What is its corresponding molecular formula?
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C27H28N4O3
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