Using COc1c(-c2ccc3cc(O)ccc3c2)cc(-n2ccc(=O)[nH]c2=O)cc1C(C)(C)C, O=S(=O)(F)C(F)(F)C(F)(F)F to produce COc1c(-c2ccc3cc(OS(=O)(=O)C(F)(F)C(F)(F)F)ccc3c2)cc(-n2ccc(=O)[nH]c2=O)cc1C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.