Using C=CCOc1ccc2c(c1)[n+]([O-])nc(N)[n+]2[O-] to produce C=CCOc1ccc2c(c1)[n+]([O-])nc[n+]2[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.