You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(5-methylsulfonylpyridin-2-yl)-5-propan-2-yloxy-N-(1,3-thiazol-2-yl)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H19N3O4S2
assistant