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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1A—H11A⋯N1B	0.88 (2)	2.05 (2)	2.913 (2)	166.7 (18)
N1B—H11B⋯N1A	0.87 (2)	2.04 (2)	2.907 (2)	171.6 (19)
C9A—H9AB⋯S1A	0.96	2.87	3.424 (2)	118
C13B—H13B⋯S1B	0.93	2.58	3.243 (3)	129
C7A i—H7A⋯O1B	0.93	2.49	3.386 (3)	162
C7B ii—H7B⋯O1A	0.93	2.47	3.385 (3)	166

Symmetry codes: (i) -x+1, -y+2, -z+1; (ii) -x+1, -y+1, -z+1.