Using COC(=O)CCCc1cc2c(Nc3cc(OC)c(OC)c(OC)c3)c(C#N)cnc2s1 to produce COc1cc(Nc2c(C#N)cnc3sc(CCCCO)cc23)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.