Using CC(C)(C)OC(=O)N1CCC[C@H](O)C1, Oc1cncc(Br)c1 to produce CC(C)(C)OC(=O)N1CCC[C@@H](Oc2cncc(Br)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.