Using CCS(=O)(=O)N(Cc1cccnc1)C(C)c1ccc(Br)cc1, OB(O)c1ccc(F)cc1F to produce CCS(=O)(=O)N(Cc1cccnc1)C(C)c1ccc(-c2ccc(F)cc2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.