Using Cc1sc(C(=O)NCc2ccc3c(c2)OCO3)cc1[N+](=O)[O-] to produce Cc1sc(C(=O)NCc2ccc3c(c2)OCO3)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.