preferred_name: a ketone + NADPH + H(+) => a secondary alcohol + NADP(+)
preferred_name_lc: a ketone + nadph + h(+) => a secondary alcohol + nadp(+)
label: a ketone + NADPH + H(+) => a secondary alcohol + NADP(+)
label_lc: a ketone + nadph + h(+) => a secondary alcohol + nadp(+)