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

Cg2A and Cg2B are the centroids of the C6A–C10A and C6B–C10B rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1A—H1NA⋯O1A i	0.78 (4)	2.40 (3)	3.162 (4)	166 (3)
N1B—H1NB⋯O1B ii	0.80 (4)	2.46 (3)	3.253 (4)	167 (3)
C9A—H9A⋯O2A iii	0.93	2.49	3.403 (3)	166
C12A—H12A⋯O1A iv	0.97	2.67	3.517 (4)	146
C19A—H19A⋯O1A i	0.93	2.69	3.449 (4)	139
C18B—H18B⋯O2B v	0.93	2.49	3.336 (4)	152
C7A—H7A⋯Cg2Avi	0.93	2.98	3.721 (4)	137
C7B—H7B⋯Cg2Bvii	0.93	2.96	3.781 (5)	148

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) ; (vii) .