Using COc1ccc(NC(=O)c2ccc(Br)s2)cc1N1CCN(C)CC1, OB(O)c1ccncc1 to produce COc1ccc(NC(=O)c2ccc(-c3ccncc3)s2)cc1N1CCN(C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.