Using C=Cc1cncc2ccccc12, CN1C(=O)CC[C@]2(C)c3ccc(Br)cc3CC[C@@H]12 to produce CN1C(=O)CC[C@]2(C)c3ccc(C=Cc4cncc5ccccc45)cc3CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.