Using Cc1ccc(S(=O)(=O)OCC2Cc3c(F)c(F)cc(Br)c3O2)cc1, OB(O)c1ccccc1 to produce Cc1ccc(S(=O)(=O)OCC2Cc3c(F)c(F)cc(-c4ccccc4)c3O2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.