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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1A—H1A⋯O2B	0.86	1.97	2.8292 (16)	173
C14A—H14A⋯O1A i	0.93	2.55	3.454 (2)	165
N1B—H1B⋯O2A	0.86	1.98	2.8115 (16)	163
C2B—H2BA⋯O1B ii	0.97	2.55	3.4239 (19)	150
C4B—H4B⋯O1B ii	0.93	2.72	3.487 (2)	141
C8B—H8B⋯O2A	0.93	2.57	3.404 (2)	150
C14B—H14B⋯O1A iii	0.93	2.70	3.398 (2)	132

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