Using CC(C)(C)OC(=O)Nc1ccc(C2=C(c3ccc(C(C)(C)C)cc3)C(=O)CC2)cc1 to produce CC(C)(C)OC(=O)Nc1ccc(C2CCC(O)C2c2ccc(C(C)(C)C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.