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