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

Cg1 is the centroid of the C2–C7 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯N2i	0.98 (2)	1.74 (2)	2.7200 (16)	174 (2)
C22—H22⋯Cg1	0.95	3.25	3.868	124

Symmetry code: (i) .