preferred_name: L-aspartate(in) + succinate(out) => L-aspartate(out) + succinate(in)
preferred_name_lc: l-aspartate(in) + succinate(out) => l-aspartate(out) + succinate(in)
label: L-aspartate(in) + succinate(out) => L-aspartate(out) + succinate(in)
label_lc: l-aspartate(in) + succinate(out) => l-aspartate(out) + succinate(in)