Using c1ccc(CNC[C@@H]2CCN(CCc3c[nH]c4ccc(-n5cnnc5)cc34)C2)cc1 to produce NC[C@@H]1CCN(CCc2c[nH]c3ccc(-n4cnnc4)cc23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.