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

Cg is the centroid of the C7–C12 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2i	0.89 (1)	2.13 (1)	3.010 (2)	170 (2)
C14—H14B⋯Cg ii	0.96	2.70	3.541 (2)	146
C9—H9⋯Cg iii	0.93	2.87	3.560 (2)	132

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