Using C[C@H](O)C(F)(F)F, COC(=O)c1cnc(Br)c(-c2ccc(Cl)cc2)n1 to produce COC(=O)c1cnc(O[C@@H](C)C(F)(F)F)c(-c2ccc(Cl)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.