label: acetate / cysteine / histidine / isoleucine / leucine / lysine / methionine / phenylalanine / sodium bisulfite / sodium chloride / threonine / tryptophan / valine
label_lc: acetate / cysteine / histidine / isoleucine / leucine / lysine / methionine / phenylalanine / sodium bisulfite / sodium chloride / threonine / tryptophan / valine