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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C23—H23C⋯O1i	0.96	2.50	3.321 (3)	144
C9—H9⋯Cg	0.93	2.69	3.621 (2)	177

Symmetry code: (i) . Cg is the centroid of the C17–C22 ring.