Using C=CCOc1c(OC)cc([C@@H]2SC[C@@H](c3cc(OC)c(OC)c(OC)c3)S2)cc1[N+](=O)[O-] to produce C=CCOc1c(N)cc([C@@H]2SC[C@@H](c3cc(OC)c(OC)c(OC)c3)S2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.