preferred_name: L-ornithine(in) + L-lysine(out) => L-ornithine(out) + L-lysine(in)
preferred_name_lc: l-ornithine(in) + l-lysine(out) => l-ornithine(out) + l-lysine(in)
label: L-ornithine(in) + L-lysine(out) => L-ornithine(out) + L-lysine(in)
label_lc: l-ornithine(in) + l-lysine(out) => l-ornithine(out) + l-lysine(in)