preferred_name: N-amidino-L-cysteine + L-ornithine => L-cysteine + L-arginine
preferred_name_lc: n-amidino-l-cysteine + l-ornithine => l-cysteine + l-arginine
label: N-amidino-L-cysteine + L-ornithine => L-cysteine + L-arginine
label_lc: n-amidino-l-cysteine + l-ornithine => l-cysteine + l-arginine