Using CNNC, O=c1oc(-c2cc(Br)nn2-c2ncccc2Cl)nc2c(Br)cc(Br)cc12 to produce CNN(C)C(=O)c1cc(Br)cc(Br)c1NC(=O)c1cc(Br)nn1-c1ncccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.