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