Using COc1cccc(Nc2cc3nccc(Oc4ccc([N+](=O)[O-])cc4F)c3s2)c1 to produce COc1cccc(Nc2cc3nccc(Oc4ccc(N)cc4F)c3s2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.