label: N-(1-((7,8-dihydroxy-2-oxo-2H-chromen-3-yl)amino)-1-oxoheptan-2-yl)-7,8-dihydroxy-2-oxo-2H-chromene-3-carboxamide
label_lc: n-(1-((7,8-dihydroxy-2-oxo-2h-chromen-3-yl)amino)-1-oxoheptan-2-yl)-7,8-dihydroxy-2-oxo-2h-chromene-3-carboxamide