Using COC(=O)Cc1cc2ccc(F)cc2c(-c2ccc(S(=O)(=O)c3ccc(Cl)cc3)cc2)c1C to produce Cc1c(CC(=O)O)cc2ccc(F)cc2c1-c1ccc(S(=O)(=O)c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.