preferred_name: methane + NADH + O2 + H(+) = methanol + NAD(+) + H2O
preferred_name_lc: methane + nadh + o2 + h(+) = methanol + nad(+) + h2o
label: methane + NADH + O2 + H(+) = methanol + NAD(+) + H2O
label_lc: methane + nadh + o2 + h(+) = methanol + nad(+) + h2o