Using CCC(CC)(c1ccc(O)c(C)c1)c1cc2cc(C(=O)OC)ccc2o1 to produce CCC(CC)(c1ccc(O)c(C)c1)c1cc2cc(CO)ccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.