Using Cc1c2c(c3ccccc3c1O)OCC2c1ccc(C(C)C)cc1, O=S(=O)([O-])C(F)(F)F to produce Cc1c2c(c3ccccc3c1OS(=O)(=O)C(F)(F)F)OCC2c1ccc(C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.