preferred_name: 6-hydroxyquinolin-2(1H)-one + AH2 => quinolin-6-ol + A + H2O
preferred_name_lc: 6-hydroxyquinolin-2(1h)-one + ah2 => quinolin-6-ol + a + h2o
label: 6-hydroxyquinolin-2(1H)-one + AH2 => quinolin-6-ol + A + H2O
label_lc: 6-hydroxyquinolin-2(1h)-one + ah2 => quinolin-6-ol + a + h2o