Using O[C@@H](Cn1ccnc1)c1cccnc1, O=C1CCCc2c1ccc(O)c2[N+](=O)[O-] to produce O=C1CCCc2c1ccc(O[C@H](Cn1ccnc1)c1cccnc1)c2[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.