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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯S1i	0.84 (1)	2.58 (1)	3.3943 (17)	164 (2)
N2—H2⋯S1ii	0.85 (1)	2.52 (1)	3.3319 (17)	159 (2)

Symmetry codes: (i) ; (ii) .