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

Cg1 is the centroid of the C8–C13 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O2i	0.84 (2)	2.21 (2)	3.003 (3)	158 (2)
C11—H11⋯O3ii	0.93	2.51	3.267 (3)	139
C13—H13⋯O2i	0.93	2.53	3.313 (3)	142
C6—H6⋯Cg1iii	0.93	2.82	3.678 (13)	153

Symmetry codes: (i) ; (ii) ; (iii) .