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 (2R)-2-[2-(2-methoxy-6-methylpyridin-4-yl)-6-[(3R)-3-methylmorpholin-4-yl]pyrimidin-4-yl]-2-methylthiolane 1,1-dioxide ?
user
C21H28N4O4S
assistant