preferred_name: retinal + NAD(+) + H2O => retinoate + NADH + 2 H(+)
preferred_name_lc: retinal + nad(+) + h2o => retinoate + nadh + 2 h(+)
label: retinal + NAD(+) + H2O => retinoate + NADH + 2 H(+)
label_lc: retinal + nad(+) + h2o => retinoate + nadh + 2 h(+)