preferred_name: butan-1-ol + butanoyl-CoA <=> butyl butanoate + CoA
preferred_name_lc: butan-1-ol + butanoyl-coa <=> butyl butanoate + coa
label: butan-1-ol + butanoyl-CoA <=> butyl butanoate + CoA
label_lc: butan-1-ol + butanoyl-coa <=> butyl butanoate + coa