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

Cg3 is the centroid of the C8–C13 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C13—H13⋯O2	0.93	2.52	3.441 (6)	172
N2—H2A⋯Cg3i	0.88 (3)	2.85 (3)	3.637 (3)	150 (3)

Symmetry code: (i) .