preferred_name: L-kynurenine + H2O => anthranilate + L-alanine + H(+)
preferred_name_lc: l-kynurenine + h2o => anthranilate + l-alanine + h(+)
label: L-kynurenine + H2O => anthranilate + L-alanine + H(+)
label_lc: l-kynurenine + h2o => anthranilate + l-alanine + h(+)