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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1A⋯N1	0.82	1.92	2.639 (3)	146
C3—H3⋯Cg1i	0.93	2.76	3.661 (3)	164

Symmetry code: (i) . Cg is the centroid of the C15–C20 benzene ring