You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [2-[(2S,6R)-2,6-dimethylmorpholin-4-yl]-2-oxoethyl] 2-chloro-4,6-dimethylpyridine-3-carboxylate .
user
C16H21ClN2O4
assistant