Using [F-], CN(C)C(=O)Oc1ccc2c(CBr)c(Cc3cccc([N+](=O)[O-])c3F)c(=O)oc2c1 to produce CN(C)C(=O)Oc1ccc2c(CF)c(Cc3cccc([N+](=O)[O-])c3F)c(=O)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.