Using Cc1cc(OCc2ccccc2)cc(C)c1C1=C(OC(=O)C(C)(C)C)C2C3CCC(CC3)C2C1=O to produce Cc1cc(O)cc(C)c1C1=C(OC(=O)C(C)(C)C)C2C3CCC(CC3)C2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.