label: (24S)-7alpha-dihydroxycholesterol + NAD(+) <=> (24S)-7alpha,24-dihydroxycholest-4-en-3-one + NADH + H(+)
label_lc: (24s)-7alpha-dihydroxycholesterol + nad(+) <=> (24s)-7alpha,24-dihydroxycholest-4-en-3-one + nadh + h(+)