label: (1-(hydroxymethyl)-4-(4-methyl-3-(methylethyl)pentylidene)-3-oxo-2-oxolanyl)methyl 4-methyl-3-(methylethyl)pentanoate
label_lc: (1-(hydroxymethyl)-4-(4-methyl-3-(methylethyl)pentylidene)-3-oxo-2-oxolanyl)methyl 4-methyl-3-(methylethyl)pentanoate