You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(4-methoxyphenyl)-2-[(4R)-1-(3-methylphenyl)-2,5-dioxo-3-propan-2-ylimidazolidin-4-yl]acetamide into molecular formula.
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C22H25N3O4
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