Using CN1C(=O)C[C@@](C)(c2cccc(Br)c2)NC1=NC(=O)OC(C)(C)C, OB(O)c1cc(Cl)ccc1O to produce CN1C(=O)C[C@@](C)(c2cccc(-c3cc(Cl)ccc3O)c2)NC1=NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.