You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-[4-(7-chloro-4-methyl-1,3-benzothiazol-2-yl)piperazin-1-yl]ethanone;hydrochloride is given. What is its corresponding molecular formula?
user
C14H17Cl2N3OS
assistant