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

Cg is the centroid of the C11–C16 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯S2	0.86	2.32	3.0275 (11)	140
O2—H2⋯N2	0.82	1.85	2.5806 (14)	147
C9—H9B⋯O2i	0.97	2.51	3.1166 (16)	120
C1—H1C⋯Cgii	0.96	2.95	3.617 (2)	128

Symmetry codes: (i) ; (ii) .