Using OC1CCC1, COC(=O)C(C)c1nc(N)c(C#N)c(-c2ccc3c(c2)OCO3)c1C#N to produce CC(C(=O)OC1CCC1)c1nc(N)c(C#N)c(-c2ccc3c(c2)OCO3)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.