You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-chloro-6-[4-[3-methyl-4-(4-methylphenyl)piperazin-1-yl]sulfonylphenoxy]benzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H24ClN3O3S
assistant