label: 3-oxo-(10Z,13Z,16Z,19Z)-docosatetraenoyl-CoA + CO2 + CoA => (8Z,11Z,14Z,17Z)-eicosatetraenoyl-CoA + malonyl-CoA + H(+)
label_lc: 3-oxo-(10z,13z,16z,19z)-docosatetraenoyl-coa + co2 + coa => (8z,11z,14z,17z)-eicosatetraenoyl-coa + malonyl-coa + h(+)