label: N-tetracosanoyl-sphing-4-enine + phosphocholine + H(+) => N-(tetracosanoyl)-sphing-4-enine-1-phosphocholine + H2O
label_lc: n-tetracosanoyl-sphing-4-enine + phosphocholine + h(+) => n-(tetracosanoyl)-sphing-4-enine-1-phosphocholine + h2o