3-hydroxyindolin-2-one + oxidized [NADPH--hemoprotein reductase] + H2O + H(+) => indolin-2-one + reduced [NADPH--hemoprotein reductase] + O2
3-hydroxyindolin-2-one + oxidized [nadph--hemoprotein reductase] + h2o + h(+) => indolin-2-one + reduced [nadph--hemoprotein reductase] + o2
3-hydroxyindolin-2-one + oxidized [NADPH--hemoprotein reductase] + H2O + H(+) => indolin-2-one + reduced [NADPH--hemoprotein reductase] + O2
3-hydroxyindolin-2-one + oxidized [nadph--hemoprotein reductase] + h2o + h(+) => indolin-2-one + reduced [nadph--hemoprotein reductase] + o2