preferred_name: a ketone + NADH + H(+) => a secondary alcohol + NAD(+)
preferred_name_lc: a ketone + nadh + h(+) => a secondary alcohol + nad(+)
label: a ketone + NADH + H(+) => a secondary alcohol + NAD(+)
label_lc: a ketone + nadh + h(+) => a secondary alcohol + nad(+)