preferred_name: hydrogencarbonate(out) + chloride(in) => hydrogencarbonate(in) + chloride(out)
preferred_name_lc: hydrogencarbonate(out) + chloride(in) => hydrogencarbonate(in) + chloride(out)
label: hydrogencarbonate(out) + chloride(in) => hydrogencarbonate(in) + chloride(out)
label_lc: hydrogencarbonate(out) + chloride(in) => hydrogencarbonate(in) + chloride(out)