Using CC(C)(C)O, Cc1ccc(CC(=O)O)c(OCc2ccccc2)c1 to produce Cc1ccc(CC(=O)OC(C)(C)C)c(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.