(1R,3S,Z)-5-(2-((1R,3aS,7aR,E)-1-((2R,5R,E)-5-Cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol