label: (4R)-hydroxysphing-(8Z)-enine + tetracosanoyl-CoA = N-tetracosanoyl-(4R)-hydroxysphing-(8Z)-enine + CoA + H(+)
label_lc: (4r)-hydroxysphing-(8z)-enine + tetracosanoyl-coa = n-tetracosanoyl-(4r)-hydroxysphing-(8z)-enine + coa + h(+)