label: 7-(4-((4-(5-(5-carboxypent-2-enyl)-4-(2-hydroxyphenyl)-1,3-dioxan-2-yl)benzyl)oxy)phenyl)-7-(3-pyridyl)hept-6-enoic acid
label_lc: 7-(4-((4-(5-(5-carboxypent-2-enyl)-4-(2-hydroxyphenyl)-1,3-dioxan-2-yl)benzyl)oxy)phenyl)-7-(3-pyridyl)hept-6-enoic acid