Using CC(=O)Nc1ccc(S(=O)(=O)c2ccc([N+](=O)[O-])c(Cl)c2)cc1, Cl to produce CC(=O)Nc1ccc(S(=O)(=O)Nc2ccccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.