Using Brc1cnc2nnn(Cc3ccc4ncccc4c3)c2n1, CC(C)(C)OC(=O)N[C@@H]1CCNC1 to produce CC(C)(C)OC(=O)N[C@@H]1CCN(c2cnc3nnn(Cc4ccc5ncccc5c4)c3n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.