[H]N1C2=C([H])C([H])=C([H])C([H])=C2C(=O)N([H])[C@]([H])(C1=O)C([H])([H])C1=C([H])N(C2=C([H])C([H])=C([H])C([H])=C12)C([H])([H])C([H])=C(C([H])([H])[H])C([H])([H])[H]