Using COC(=O)c1nccc(Sc2cnc(Nc3ccc([N+](=O)[O-])cn3)s2)c1F to produce COC(=O)c1nccc(Sc2cnc(Nc3ccc(N)cn3)s2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.