label: 5-(3-carboxy-3-oxoprop-1-en-1-yl)-4,6-dihydroxypyridine-2-carboxylate + H(+) => 7,8-dihydroxykynurenate + O2
label_lc: 5-(3-carboxy-3-oxoprop-1-en-1-yl)-4,6-dihydroxypyridine-2-carboxylate + h(+) => 7,8-dihydroxykynurenate + o2