[H]\C(OC([H])([H])[H])=C(/C(=O)OC([H])([H])[H])\C(=C(\[H])/C(/[H])=C(\[H])C1=C([H])C([H])=C2OC([H])([H])[C@@]([H])(OC([H])([H])C([H])=C(C([H])([H])[H])C([H])([H])[H])C(OC2=C1[H])(C([H])([H])[H])C([H])([H])[H])\C([H])([H])[H]