Using CNC(=O)C1CCN(C(=O)OC(C)(C)C)C1c1cc(C)nc(-n2ccnc2)n1 to produce CNC(=O)C1CCNC1c1cc(C)nc(-n2ccnc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.