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 1-ethyl-4-[2-methyl-4-[5-methyl-5-(4-methylphenyl)-4H-1,2-oxazol-3-yl]benzoyl]piperazine-2,6-dione .
user
C25H27N3O4
assistant