Using CC(C)(C)c1ccc(C=O)cc1, CC(C)(C)OC(=O)N1CCN(c2ccnc(N)c2N)CC1 to produce CC(C)(C)c1ccc(-c2nc3c(N4CCNCC4)ccnc3[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.