label: (1S)-2-((6aR,7S,8R,10aS)-7,8-Dimethyl-3-oxo-3,5,6,6a,7,8,9,10-octahydronaphtho(1,8a-c)furan-7-yl)-1-(3-furyl)ethyl acetate
label_lc: (1s)-2-((6ar,7s,8r,10as)-7,8-dimethyl-3-oxo-3,5,6,6a,7,8,9,10-octahydronaphtho(1,8a-c)furan-7-yl)-1-(3-furyl)ethyl acetate