Using CCCC1(CC=C(C)Cl)Cc2cc(O)c(Cl)c(Cl)c2C1=O, O=S(=O)(Cl)C(F)(F)F to produce CCCC1(CC=C(C)Cl)Cc2cc(OS(=O)(=O)C(F)(F)F)c(Cl)c(Cl)c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.