You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 6-(4-ethoxyphenyl)-5-[3-(4-fluorophenyl)-1,2,4-oxadiazol-5-yl]-4-methyl-3-(4-methylphenyl)-1,6-dihydropyrimidin-2-one .
user
C28H25FN4O3
assistant