Using CNC(=O)COC(=O)N1CCN(CCCc2cccc(Br)c2)CC1, OB(O)c1cccc(Cl)c1 to produce CNC(=O)COC(=O)N1CCN(CCCc2cccc(-c3cccc(Cl)c3)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.