You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(3-chloro-4-methoxyphenyl)sulfonyl-cyclohexylamino]-N-(4-chloro-2-methylphenyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26Cl2N2O4S
assistant