label: 2 reduced [2Fe-2S]-[ferredoxin] + Na(+)(in) + NAD(+) + H(+) => 2 oxidized [2Fe-2S]-[ferredoxin] + Na(+)(out) + NADH
label_lc: 2 reduced [2fe-2s]-[ferredoxin] + na(+)(in) + nad(+) + h(+) => 2 oxidized [2fe-2s]-[ferredoxin] + na(+)(out) + nadh