preferred_name: a menaquinone + formate + H(+) => a menaquinol + CO2
preferred_name_lc: a menaquinone + formate + h(+) => a menaquinol + co2
label: a menaquinone + formate + H(+) => a menaquinol + CO2
label_lc: a menaquinone + formate + h(+) => a menaquinol + co2