Using CCOC(=O)c1c(OCC2COC(C)(C)O2)c2ccccc2n1Cc1ccc(Cl)c(Cl)c1 to produce CCOC(=O)c1c(OCC(O)CO)c2ccccc2n1Cc1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.