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

Cg1 is the centroid of ring N3A–N5A/C12A/C13A, Cg2 is the centroid of ring C17B–C22B, and Cg3 is the centroid of ring C1A–C6A.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N4A—H4AB⋯N2B i	0.90 (2)	2.05 (2)	2.944 (2)	170 (2)
N4B—H4BB⋯N2A ii	0.89 (2)	2.02 (2)	2.906 (2)	170 (3)
C15B—H15E⋯Cg1iii	0.96	2.91	3.521 (3)	123
C16A—H16B⋯Cg2iv	0.96	2.87	3.716 (2)	148
C21A—H21A⋯Cg3v	0.93	2.90	3.668 (2)	140

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