Using Clc1cc(Br)c2ncc(Br)n2n1, CNS(=O)(=O)c1ccc(N)cc1 to produce CNS(=O)(=O)c1ccc(Nc2cc(Cl)nn3c(Br)cnc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.