Using CCOC(=O)c1ccccc1COc1ccc(CC(C)(C)C(=O)OCC)cc1 to produce CC(C)(Cc1ccc(OCc2ccccc2C(=O)O)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.