You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(R)-N-[[6-(4-chlorophenoxy)-2-methoxypyridin-3-yl]methylidene]-2-methylpropane-2-sulfinamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H19ClN2O3S
assistant