You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(2-chloro-3,4-dimethoxyphenyl)-4,5,6,7-tetrahydro-1,3-benzothiazol-7-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H17ClN2O2S
assistant