preferred_name: an L-alpha-amino acid + cholate => an N-choloyl-L-alpha-amino acid + H2O
preferred_name_lc: an l-alpha-amino acid + cholate => an n-choloyl-l-alpha-amino acid + h2o
label: an L-alpha-amino acid + cholate => an N-choloyl-L-alpha-amino acid + H2O
label_lc: an l-alpha-amino acid + cholate => an n-choloyl-l-alpha-amino acid + h2o