Using CCOCCn1c(C2CCN(CCc3ccc(C(C)(C)C(=O)OCC)cc3)CC2)nc2ccccc21 to produce CCOCCn1c(C2CCN(CCc3ccc(C(C)(C)CO)cc3)CC2)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.