You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(4-bromophenyl)sulfonyl-N-(4-chlorophenyl)-2-(3-methylphenyl)-1,3-oxazol-5-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H16BrClN2O3S
assistant