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