label: oxidized [NADH--hemoprotein reductase] + catechol + acetaldehyde + H2O + H(+) => guaethol + reduced [NADH--hemoprotein reductase] + O2
label_lc: oxidized [nadh--hemoprotein reductase] + catechol + acetaldehyde + h2o + h(+) => guaethol + reduced [nadh--hemoprotein reductase] + o2