You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-chloro-N-[2-(5-chloro-N,2-dimethylanilino)-2-phenylethyl]benzenesulfonamide is given. What is its corresponding molecular formula?
user
C22H22Cl2N2O2S
assistant