Using CS(=O)(=O)Nn1c(=O)[nH]c2cc(C(F)(F)F)c(-c3ccnn3OCc3ccccc3)cc2c1=O to produce CS(=O)(=O)Nn1c(=O)[nH]c2cc(C(F)(F)F)c(-c3ccnn3O)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.