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

Cg1 and Cg2 are the centroids of the C10–C15 and N4,N5,C18–C20 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1n⋯N3	0.88 (1)	2.12 (3)	2.601 (3)	114 (2)
N2—H2n⋯N5i	0.89 (1)	2.03 (1)	2.884 (3)	161 (3)
C5—H5⋯O1ii	0.95	2.49	3.416 (3)	164
C7—H7B⋯Cg1iii	0.98	2.82	3.686 (3)	148
C12—H12⋯Cg1iv	0.95	2.72	3.464 (3)	135
C20—H20⋯Cg2i	0.95	2.85	3.604 (3)	137

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