Using COc1cc(NC(=O)c2ccccc2)c(C#N)c(N2CCN(C(=O)OC(C)(C)C)CC2)c1 to produce COc1cc(NCc2ccccc2)c(CN)c(N2CCN(C(=O)OC(C)(C)C)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.