preferred_name: an N-(fatty acyl)-L-lysine + H2O => L-lysine + a fatty acid
preferred_name_lc: an n-(fatty acyl)-l-lysine + h2o => l-lysine + a fatty acid
label: an N-(fatty acyl)-L-lysine + H2O => L-lysine + a fatty acid
label_lc: an n-(fatty acyl)-l-lysine + h2o => l-lysine + a fatty acid