Using COC(=O)C(C(=O)OC)c1c(-c2ccccc2)c(C)c(C#N)c2nc(C3CC3)oc12 to produce COC(=O)Cc1c(-c2ccccc2)c(C)c(C#N)c2nc(C3CC3)oc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.