label: a 3-oxo-ultra-long-chain di-unsaturated fatty acyl-[ACP] + holo-[ACP] + CO2 => an ultra-long-chain di-unsaturated fatty acyl-[ACP] + malonyl-[ACP] + H(+)
label_lc: a 3-oxo-ultra-long-chain di-unsaturated fatty acyl-[acp] + holo-[acp] + co2 => an ultra-long-chain di-unsaturated fatty acyl-[acp] + malonyl-[acp] + h(+)