label: 5,6-dimethylbenzimidazole + nicotinate beta-D-ribonucleotide => alpha-ribazole 5'-phosphate + nicotinate + H(+)
label_lc: 5,6-dimethylbenzimidazole + nicotinate beta-d-ribonucleotide => alpha-ribazole 5'-phosphate + nicotinate + h(+)