Using CCOC(=O)CNC(=O)c1ncc(OS(=O)(=O)C(F)(F)F)cc1O, OB(O)c1cccc(F)c1 to produce CCOC(=O)CNC(=O)c1ncc(-c2cccc(F)c2)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.