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(+)