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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Cg1i	0.862 (15)	2.852 (3)	3.6276 (14)	150.6 (12)

Symmetry code: (i) . Cg1 is the centroid of the C16–C21 ring.