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-(2,5-dimethylmorpholin-4-yl)-3-[3-(4-propan-2-ylphenyl)-1,2,4-oxadiazol-5-yl]propan-1-one .
user
C20H27N3O3
assistant