Using CS(=O)(=O)c1ccc(N)cc1, Brc1ncc(Br)n2ccnc12 to produce CS(=O)(=O)c1ccc(Nc2ncc(Br)n3ccnc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.