Using CC1(C)O[C@@H]2[C@@H](CN)C[C@@H](n3ccc4c(N)ncnc43)[C@@H]2O1, CC(C)=O to produce CC(C)NC[C@H]1C[C@@H](n2ccc3c(N)ncnc32)[C@@H]2OC(C)(C)O[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.