preferred_name: acetate + Na(+)(out) + CO2 => malonate + Na(+)(in) + H(+)
preferred_name_lc: acetate + na(+)(out) + co2 => malonate + na(+)(in) + h(+)
label: acetate + Na(+)(out) + CO2 => malonate + Na(+)(in) + H(+)
label_lc: acetate + na(+)(out) + co2 => malonate + na(+)(in) + h(+)