[H]ON(C(=O)C([H])([H])[H])C([H])([H])C([H])([H])C([H])([H])[C@]1([H])N(O[H])C(=O)[C@@]([H])(N([H])C1=O)C([H])([H])C([H])([H])C([H])([H])N([H])C(=O)C(\[H])=C(/C([H])([H])[H])C([H])([H])C([H])([H])O[H]