Using CC(=O)n1ccnc1, O=C(c1ccc(Oc2nccnc2C2CNC2)cc1)c1nc2ccccc2[nH]1 to produce CC(=O)N1CC(c2nccnc2Oc2ccc(C(=O)c3nc4ccccc4[nH]3)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.