You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-N-[1-(4-butylphenyl)-2-methylpropyl]-3-(1,3-dimethyl-2,4-dioxopyrimidin-5-yl)prop-2-enamide into its molecular formula.
user
C23H31N3O3
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