Using CC1(C)CCNc2ccccc21, O=S(=O)(Cl)c1cc(Br)c(Cl)cc1F to produce CC1(C)CCN(S(=O)(=O)c2cc(Br)c(Cl)cc2F)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.