label: (21Z,24Z,27Z,30Z)-hexatriacontatetraenoyl-CoA + malonyl-CoA + H(+) = 3-oxo-(23Z,26Z,29Z,32Z)-octatriacontatetraenoyl-CoA + CO2 + CoA
label_lc: (21z,24z,27z,30z)-hexatriacontatetraenoyl-coa + malonyl-coa + h(+) = 3-oxo-(23z,26z,29z,32z)-octatriacontatetraenoyl-coa + co2 + coa