preferred_name: a fatty acid + CoA + H(+) => a fatty acyl-CoA + H2O
preferred_name_lc: a fatty acid + coa + h(+) => a fatty acyl-coa + h2o
label: a fatty acid + CoA + H(+) => a fatty acyl-CoA + H2O
label_lc: a fatty acid + coa + h(+) => a fatty acyl-coa + h2o