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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.87 (1)	2.15 (1)	2.977 (2)	160 (2)

Symmetry code: (i) .