Using CC(C)(C)OC(=O)N1CCC2(CCC(=O)CC2)CC1, c1nc2n(n1)CCNC2 to produce CC(C)(C)OC(=O)N1CCC2(CCC(N3CCn4ncnc4C3)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.