preferred_name: an N-acyl-L-amino acid + H2O <=> an L-alpha-amino acid + a carboxylate
preferred_name_lc: an n-acyl-l-amino acid + h2o <=> an l-alpha-amino acid + a carboxylate
label: an N-acyl-L-amino acid + H2O <=> an L-alpha-amino acid + a carboxylate
label_lc: an n-acyl-l-amino acid + h2o <=> an l-alpha-amino acid + a carboxylate