label: (9Z,12Z,15Z)-octadecatrienoyl-CoA + malonyl-CoA + H(+) <=> (11Z,14Z,17Z)-3-oxoeicosatrienoyl-CoA + CO2 + CoA
label_lc: (9z,12z,15z)-octadecatrienoyl-coa + malonyl-coa + h(+) <=> (11z,14z,17z)-3-oxoeicosatrienoyl-coa + co2 + coa