You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [4-[2-[(2R,6R)-2,6-dimethylmorpholin-4-yl]ethyl]piperidin-1-yl]-[(3S)-morpholin-3-yl]methanone ?
user
C18H33N3O3
assistant