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 (3,4-dimethoxyphenyl)-[(2R,6R)-2-methyl-6-(3-methyl-1,2,4-oxadiazol-5-yl)morpholin-4-yl]methanone .
user
C17H21N3O5
assistant