label: (2S)-6-(5-((R)-5,7-dihydroxy-4-oxochroman-2-yl)-2-hydroxyphenyl)-2-(3- (4-((R)-5,7-dihydroxy-(2S)-6-(5-((R)-5,7-dihydroxy-4-oxochroman-2-yl)phenoxy)-4-hydroxyphenyl)-5,7-dihydroxychroman-4-one
label_lc: (2s)-6-(5-((r)-5,7-dihydroxy-4-oxochroman-2-yl)-2-hydroxyphenyl)-2-(3- (4-((r)-5,7-dihydroxy-(2s)-6-(5-((r)-5,7-dihydroxy-4-oxochroman-2-yl)phenoxy)-4-hydroxyphenyl)-5,7-dihydroxychroman-4-one