label: (19Z,22Z,25Z,28Z,31Z)-tetratriacontapentaenoyl-CoA + malonyl-CoA + H(+) => 3-oxo-(21Z,24Z,27Z,30Z,33Z)-hexatriacontapentaenoyl-CoA + CO2 + CoA
label_lc: (19z,22z,25z,28z,31z)-tetratriacontapentaenoyl-coa + malonyl-coa + h(+) => 3-oxo-(21z,24z,27z,30z,33z)-hexatriacontapentaenoyl-coa + co2 + coa