Using OB(O)c1ccccc1, O=C(CN1CCN(c2ccc(Cl)nn2)CC1)N1CCN(C2CCC2)CC1 to produce O=C(CN1CCN(c2ccc(-c3ccccc3)nn2)CC1)N1CCN(C2CCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.