preferred_name: a carboxylate + acetyl-CoA => an acyl-CoA + acetate
preferred_name_lc: a carboxylate + acetyl-coa => an acyl-coa + acetate
label: a carboxylate + acetyl-CoA => an acyl-CoA + acetate
label_lc: a carboxylate + acetyl-coa => an acyl-coa + acetate