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

Cg1 and Cg2 are the centroids of the C1–C6 and C15–C20 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯O2	0.86 (1)	1.71 (2)	2.509 (2)	155 (4)
N3—H2⋯O2	0.89 (1)	1.91 (2)	2.671 (3)	143 (2)
C14—H14A⋯Cg1i	0.98	2.69	3.475 (2)	138
C14—H14C⋯Cg1ii	0.98	2.66	3.563 (2)	153
C17—H17⋯Cg2iii	0.95	2.58	3.424 (2)	148

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