You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3R)-N-(6-amino-1-butyl-2,4-dioxopyrimidin-5-yl)-1-(4-ethylphenyl)-N-(2-methylpropyl)-5-oxopyrrolidine-3-carboxamide into its molecular formula.
user
C25H35N5O4
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