You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[[6-amino-1-(2-methylpropyl)-2,4-dioxopyrimidin-5-yl]-(2-methylpropyl)amino]-2-oxoethyl]-N-methyl-2-phenylbutanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H37N5O4
assistant