Using COc1cc2c(cc1Br)[C@]1(C)CCN(C)[C@@H]1N2C to produce CN1CC[C@@]2(C)c3cc(Br)c(O)cc3N(C)[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.