preferred_name: 2 nitric oxide + nitrate + H2O => 3 nitrite + 2 H(+)
preferred_name_lc: 2 nitric oxide + nitrate + h2o => 3 nitrite + 2 h(+)
label: 2 nitric oxide + nitrate + H2O => 3 nitrite + 2 H(+)
label_lc: 2 nitric oxide + nitrate + h2o => 3 nitrite + 2 h(+)