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