Using Cc1ccc2c(-c3cnc4[nH]cc(C(=O)NC(C)(C)CNC(=O)OC(C)(C)C)c4n3)n[nH]c2c1 to produce Cc1ccc2c(-c3cnc4[nH]cc(C(=O)NC(C)(C)CN)c4n3)n[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.