You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1,1-dioxothiolan-3-yl)-2-[4-methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H20N2O3S2
assistant