Using CCOC(=O)c1c(Nc2cc(F)ccc2[N+](=O)[O-])sc2cc(Br)ccc12 to produce CCOC(=O)c1c(Nc2cc(F)ccc2N)sc2cc(Br)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.