Using CCOC(=O)C[C@@H](Cc1ccc(Br)cc1)NC(=O)CCC(=O)O, OB(O)c1ccc(F)cc1 to produce CCOC(=O)C[C@@H](Cc1ccc(-c2ccc(F)cc2)cc1)NC(=O)CCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.