Using COC(=O)c1cc2cc(S(C)(=O)=O)ccc2n1Cc1ccc(F)cc1 to produce CS(=O)(=O)c1ccc2c(c1)cc(C(=O)O)n2Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.