You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-[2-(4-chlorophenyl)sulfonyl-5-[2-chloro-4-(trifluoromethyl)phenoxy]phenoxy]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H15Cl2F3O6S
assistant