C=C1CO[C@H]2/C=C(\C)CC[C@@H]3O[C@@]3(C)CC/C=C(\C)CC[C@@]12OC(C)=O	(1S,2E,6S,8S,11E,15R)-3,8,12-trimethyl-16-methylidene-7,18-dioxatricyclo[13.3.0.0^{6,8}]octadeca-2,11-dien-15-yl acetate