Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O1i	0.84 (3)	2.36 (3)	3.165 (3)	161 (3)
O1—H1O⋯N2ii	0.86 (3)	1.98 (3)	2.766 (2)	152 (3)

Symmetry codes: (i) ; (ii) .