label: O-(2-acetamido-2-deoxy-6-O-(2-tetradecylhexadecanoyl)glucopyranosyl)-1-4-N-acetylnormuramoyl-alpha-aminobutanoyl-isoglutamine
label_lc: o-(2-acetamido-2-deoxy-6-o-(2-tetradecylhexadecanoyl)glucopyranosyl)-1-4-n-acetylnormuramoyl-alpha-aminobutanoyl-isoglutamine