label: 3-(2-(2-benzyloxycarbonylamino-3-methylbutyrylamino)proionylamino)-4-oxo-5-(2-oxo-2H-chromen-7-yloxy)pentanoic acid
label_lc: 3-(2-(2-benzyloxycarbonylamino-3-methylbutyrylamino)proionylamino)-4-oxo-5-(2-oxo-2h-chromen-7-yloxy)pentanoic acid