label: (21Z,24Z,27Z,30Z,33Z)-hexatriacontapentaenoyl-CoA + malonyl-CoA + H(+) => 3-oxo-(23Z,26Z,29Z,32Z,35Z)-octatriacontapentaenoyl-CoA + CO2 + CoA
label_lc: (21z,24z,27z,30z,33z)-hexatriacontapentaenoyl-coa + malonyl-coa + h(+) => 3-oxo-(23z,26z,29z,32z,35z)-octatriacontapentaenoyl-coa + co2 + coa