Using Cc1ccc(S(=O)(=O)OC=C(F)F)cc1, O=S([O-])O to produce Cc1ccc(S(=O)(=O)OCC(F)(F)S(=O)(=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.