Using OB(O)c1cccc(C(F)(F)F)c1, COC(=O)[C@H](Cc1ccc(Br)cc1)NC(=O)c1cc(-c2ccc(F)c(Cl)c2)ccc1O to produce COC(=O)[C@H](Cc1ccc(-c2cccc(C(F)(F)F)c2)cc1)NC(=O)c1cc(-c2ccc(F)c(Cl)c2)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.