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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1B⋯O1	0.86	2.16	2.8147 (16)	132
N5—H5C⋯O1i	0.86	2.03	2.8806 (15)	172
C1—H1A⋯S1ii	0.93	2.80	3.6838 (16)	159

Symmetry codes: (i) ; (ii) .