preferred_name: arginine + glycine => ornithine + guanidoacetate (Rattus norvegicus)
preferred_name_lc: arginine + glycine => ornithine + guanidoacetate (rattus norvegicus)
label: arginine + glycine => ornithine + guanidoacetate (Rattus norvegicus)
label_lc: arginine + glycine => ornithine + guanidoacetate (rattus norvegicus)