label: a long-chain fatty acid + n CO2 + 2n NADP(+) + (n+1) CoA => n malonyl-CoA + acetyl-CoA + 2n NADPH + 2n H(+)
label_lc: a long-chain fatty acid + n co2 + 2n nadp(+) + (n+1) coa => n malonyl-coa + acetyl-coa + 2n nadph + 2n h(+)