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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1	0.88	1.89	2.639 (4)	142
N1—H1′⋯O1	0.88	1.99	2.639 (4)	130
N2—H2⋯S1i	0.88	2.65	3.449 (3)	152

Symmetry code: (i) .