Using COC(=O)[C@H]1C[C@@H](O)CCN1C(=O)OC(C)(C)C, c1cc(-n2cnnn2)ncc1OCc1cn[nH]n1 to produce COC(=O)C1CC(n2ncc(COc3ccc(-n4cnnn4)nc3)n2)CCN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.