Using Oc1ccncc1, Nc1ncc(Br)nc1-c1nnc(-c2ccccc2)o1 to produce Nc1ncc(-n2ccc(=O)cc2)nc1-c1nnc(-c2ccccc2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.