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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C10—H10B⋯O1	0.97	2.35	2.876 (3)	114
C18—H18⋯O1	0.93	2.31	2.861 (3)	118
C12—H12⋯Cg1	0.93	2.74	3.354 (2)	125
N4—H4⋯N3i	0.86	2.59	3.406 (2)	159
C23—H23A⋯Cg2ii	0.97	2.71	3.571 (3)	149

Symmetry codes: (i) ; (ii) . Cg1 and Cg2 are the centroids of the N1/N2/C1–C3 and C17–C22 rings, respectively.