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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O2i	0.81 (4)	2.12 (5)	2.898 (4)	160 (4)

Symmetry code: (i) .