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 7-[4-(2,5-dimethylphenyl)piperazine-1-carbonyl]-3-[(4-methoxyphenyl)methyl]-4a,5,6,7,8,8a-hexahydro-1H-quinazoline-2,4-dione .
user
C29H36N4O4
assistant