preferred_name: propanoate + acetyl-CoA <=> propanoyl-CoA + acetate
preferred_name_lc: propanoate + acetyl-coa <=> propanoyl-coa + acetate
label: propanoate + acetyl-CoA <=> propanoyl-CoA + acetate
label_lc: propanoate + acetyl-coa <=> propanoyl-coa + acetate