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

Cg1 is the centroid of the S1/C1/C6/N1/C7 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C17—H17⋯N1i	0.95	2.56	3.432 (5)	153
C5—H5⋯O2ii	0.95	2.59	3.478 (5)	155
C18—H18⋯Cg1iii	0.95	2.62	3.433 (5)	144

Symmetry codes: (i) ; (ii) ; (iii) .