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 2-[4-(3,5-dimethylpyridin-2-yl)piperazine-1-carbonyl]-N-(2-methoxyethyl)-N-methyl-5-(2-oxopyrrolidin-1-yl)benzamide is given. What is its corresponding molecular formula?
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C27H35N5O4
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