Using CC(C)C1=NCCc2ccc(C=Cc3cc(C(CO)CCO)c4cc(C#N)ccc4c3)cc21 to produce CC(C)C1=NCCc2ccc(C=Cc3cc(C4CCOC4)c4cc(C#N)ccc4c3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.