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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯S1i	0.86 (2)	2.53 (2)	3.3698 (18)	166.2 (18)
N2—H2N⋯O1	0.82 (2)	2.01 (2)	2.669 (2)	137 (2)

Symmetry code: (i) .