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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1O⋯N2	0.84 (2)	1.90 (2)	2.639 (2)	146 (2)
N1—H1N⋯S2i	0.88 (2)	2.47 (2)	3.3351 (18)	168 (2)
C6—H6⋯O1ii	0.95	2.51	3.453 (3)	170

Symmetry codes: (i) ; (ii) .