Using CCOC(=O)Cl, Nc1c([N+](=O)[O-])ccc(NCc2ccc(F)cc2)c1F to produce CCOC(=O)Nc1ccc(NCc2ccc(F)cc2)c(F)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.