Using COc1cc(Br)c(Cl)cc1-n1c(=O)cc(C)c2cc(S(=O)(=O)Cl)ccc21, Nc1ccon1 to produce COc1cc(Br)c(Cl)cc1-n1c(=O)cc(C)c2cc(S(=O)(=O)Nc3ccon3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.