Using CC(C)(C)OC(=O)N1CCC2(CC1)CC(=O)C2, Cc1cc(Cl)ncc1Br to produce CC(C)(C)OC(=O)N1CCC2(CC1)CC(O)(Cc1cc(Cl)ncc1Br)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.