Using O=C1N2C[C@@H](CC[C@H]2c2ncns2)N1OCc1ccccc1 to produce O=C1N(O)[C@@H]2CC[C@@H](c3ncns3)N1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.