You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(2,4-dimethyl-1,3-thiazol-5-yl)-N-(5-ethylsulfonyl-2-methoxyphenyl)-1,3-thiazol-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H19N3O3S3
assistant