Using OB(O)c1ccc(O)cc1, Nc1nn2cc(Br)cnc2c1-c1ccccn1 to produce Nc1nn2cc(-c3ccc(O)cc3)cnc2c1-c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.