Using CN1C[C@H]2CCN(c3ccc(-c4ccc(Br)cc4)cc3)[C@H]2C1, O=c1cccn[nH]1 to produce CN1C[C@H]2CCN(c3ccc(-c4ccc(-n5ncccc5=O)cc4)cc3)[C@H]2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.