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 N-[(1R)-1-(2,5-dimethoxyphenyl)ethyl]-2-[(4S)-4-methyl-3-(4-methylphenyl)-2,5-dioxoimidazolidin-1-yl]acetamide is given. What is its corresponding molecular formula?
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C23H27N3O5
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