You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[(4-chloro-2,6-dimethylphenyl)sulfonylamino]-1,3-thiazol-4-yl]acetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H13ClN2O4S2
assistant