You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[4-(2,5-dimethyl-1,3-thiazol-4-yl)phenyl]carbamoyl]benzene-1,3-disulfonic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H16N2O7S3
assistant