Using C[C@H](Cn1ccc(-c2ccc(C#N)c(Cl)c2)n1)NC(=O)c1cnc(CNC(=O)OC(C)(C)C)[nH]1 to produce C[C@H](Cn1ccc(-c2ccc(C#N)c(Cl)c2)n1)NC(=O)c1cnc(CN)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.