label: 2 N(omega)-hydroxy-L-arginine + NADH + 2 O2 = 2 L-citrulline + 2 nitric oxide + NAD(+) + 2 H2O + H(+)
label_lc: 2 n(omega)-hydroxy-l-arginine + nadh + 2 o2 = 2 l-citrulline + 2 nitric oxide + nad(+) + 2 h2o + h(+)