[H][C@](O)(C(C)=C)[C@]1([H])C[C@@]([H])(C)C2=C3C[C@]([H])(O)[C@@]4([H])[C@@]5(C)CCC(=O)C(C)(C)[C@]5([H])CC[C@]4(C)[C@@]3(C)C[C@]2([H])O1