Using O=c1ccc2cc(Br)ccc2[nH]1, OB(O)Oc1ccc(Cl)cc1 to produce O=c1ccc2cc(-c3ccc(Cl)cc3)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.