(S)-nornicotine + formaldehyde + oxidized [NADPH--hemoprotein reductase] + H2O + H(+) => (S)-nicotine + reduced [NADPH--hemoprotein reductase] + O2
(s)-nornicotine + formaldehyde + oxidized [nadph--hemoprotein reductase] + h2o + h(+) => (s)-nicotine + reduced [nadph--hemoprotein reductase] + o2
(S)-nornicotine + formaldehyde + oxidized [NADPH--hemoprotein reductase] + H2O + H(+) => (S)-nicotine + reduced [NADPH--hemoprotein reductase] + O2
(s)-nornicotine + formaldehyde + oxidized [nadph--hemoprotein reductase] + h2o + h(+) => (s)-nicotine + reduced [nadph--hemoprotein reductase] + o2