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