Using COC(=O)c1ncccc1OS(=O)(=O)C(F)(F)F, C=Cc1ccc(F)cc1 to produce COC(=O)c1ncccc1C=Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.