preferred_name: 2 hydrogencarbonate(in) + Na(+)(in) => 2 hydrogencarbonate(out) + Na(+)(out)
preferred_name_lc: 2 hydrogencarbonate(in) + na(+)(in) => 2 hydrogencarbonate(out) + na(+)(out)
label: 2 hydrogencarbonate(in) + Na(+)(in) => 2 hydrogencarbonate(out) + Na(+)(out)
label_lc: 2 hydrogencarbonate(in) + na(+)(in) => 2 hydrogencarbonate(out) + na(+)(out)