You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 4-[3-(4-tert-butylphenyl)-1,2,4-oxadiazol-5-yl]-1-[(2,5-dimethoxyphenyl)methyl]pyrrolidin-2-one ?
user
C25H29N3O4
assistant