[H]\C(=C(\[H])/C(/[H])=C(/C)\C(\[H])=C(/[H])\C(\[H])=C(\C)C1OC1C(O)=O)\C(\[H])=C(/C)\C(\[H])=C(\[H])C([H])=C(C)C(\[H])=C(\[H])C(=O)OC