Using CCOC(=O)CBr, CC(C)CC(NC(=O)OC(C)(C)C)C1(c2ccc(O)cc2)CCC1 to produce CCOC(=O)COc1ccc(C2(C(CC(C)C)NC(=O)OC(C)(C)C)CCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.