label: (9Z,12Z,15Z,18Z)-tetracosatetraenoyl-CoA + NADP(+) => (2E,9Z,12Z,15Z,18Z)-tetracosapentaenoyl-CoA + NADPH + H(+)
label_lc: (9z,12z,15z,18z)-tetracosatetraenoyl-coa + nadp(+) => (2e,9z,12z,15z,18z)-tetracosapentaenoyl-coa + nadph + h(+)