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 identified by 3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-[(2S)-4-phenylbutan-2-yl]propanamide ?
user
C22H25N3O3
assistant