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