[H]C1=C([H])C([H])=C(C([H])=C1[H])[C@]1([H])C([H])([H])[C@]2([H])N(C([H])([H])[H])[C@@]([H])(C([H])([H])C2([H])[H])[C@@]1([H])C(=O)OC([H])([H])[H]