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 (2S,6S)-N-[(2S)-1-(2,6-difluorophenyl)propan-2-yl]-2,6-dimethylmorpholine-4-carboxamide ?
user
C16H22F2N2O2
assistant