Using COC(=O)c1cc(-c2ccc(S(C)(=O)=O)cc2)n(-c2ccc(F)cc2)c1N to produce COC(=O)c1cc(-c2ccc(S(C)(=O)=O)cc2)n(-c2ccc(F)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.