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-(3,4-dimethoxyphenyl)ethyl]-4-methyl-N-[2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]ethyl]benzamide into molecular formula.
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C29H31N3O4
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