Using Oc1ccc(Br)c(F)c1, C[C@@H](CO)NC(=O)OC(C)(C)C to produce C[C@@H](COc1ccc(Br)c(F)c1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.