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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O2i	0.85 (2)	2.03 (3)	2.839 (7)	160 (6)

Symmetry code: (i) .