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

Cg1 and Cg3 are the centroids of the C7/N2/C8/N3/N4 and C10–C15 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O3	0.82 (4)	2.33 (4)	3.082 (4)	153 (3)
N1—H1B⋯N4i	0.95 (4)	1.96 (4)	2.899 (4)	171 (3)
N5—H5A⋯O4ii	0.94 (4)	2.10 (4)	3.011 (4)	164 (3)
N5—H5B⋯N3	0.83 (4)	2.14 (4)	2.876 (4)	148 (4)
C9—H9B⋯O2iii	0.96	2.17	2.990 (3)	142
C14—H14⋯Cg3iv	0.93	2.68	3.583 (4)	163

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