Showing structure for (3z,3as,5ar,6s,7s,9ar,9bs)-3-[(7s)-7-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-ylidene]-6-(hydroxymethyl)-3a,6,9a-trimethyl-2-oxo-octahydrocyclopenta[a]naphthalen-7-yl acetate