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 N-[5-chloro-6-(2-chlorophenyl)pyridin-2-yl]-6-(3-hydroxyazetidin-1-yl)pyridine-2-sulfonamide ?
user
C19H16Cl2N4O3S
assistant