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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.81 (2)	2.16 (2)	2.951 (2)	163 (2)
C8—H8B⋯O2ii	0.96	2.56	3.397 (3)	147
C10—H10C⋯O2ii	0.96	2.43	3.341 (3)	158
C17—H17⋯Cl2iii	0.93 (1)	2.92 (1)	3.796 (2)	158 (1)

Symmetry codes: (i) ; (ii) ; (iii) .