label: (16Z,19Z,22Z,25Z,28Z,31Z)-tetratriacontahexaenoyl-CoA + malonyl-CoA + H(+) => 3-oxo-(18Z,21Z,24Z,27Z,30Z,33Z)-hexatriacontahexaenoyl-CoA + CO2 + CoA
label_lc: (16z,19z,22z,25z,28z,31z)-tetratriacontahexaenoyl-coa + malonyl-coa + h(+) => 3-oxo-(18z,21z,24z,27z,30z,33z)-hexatriacontahexaenoyl-coa + co2 + coa