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 N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-3-(2-methyl-4-oxo-3-phenylmethoxypyridin-1-yl)propanamide into molecular formula.
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C27H29N3O4
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