Using COC(=O)c1cc(Br)cc(C(=O)OC)c1, OB(O)c1cccc(Cl)c1 to produce COC(=O)c1cc(C(=O)OC)cc(-c2cccc(Cl)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.