You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 6-(3-chlorophenyl)-4-methyl-3-(3-methylbutyl)-5-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-1,6-dihydropyrimidin-2-one .
user
C25H27ClN4O2
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