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

Cg1 is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2A⋯O1W	0.81 (3)	1.87 (3)	2.673 (3)	173 (3)
O1W—H1WB⋯O3B	0.83 (3)	1.92 (3)	2.711 (4)	159 (3)
O1W—H1WA⋯O2B i	0.88 (3)	1.91 (3)	2.785 (4)	175 (3)
N1—H1⋯O2	0.78 (3)	2.05 (3)	2.719 (2)	143 (3)
C15—H15C⋯O2B	0.96	2.68	3.468 (4)	140
C16—H16A⋯O1B ii	0.96	2.44	3.395 (4)	172
C2—H2⋯Cg1	0.93	3.17	3.928	140

Symmetry codes: (i) ; (ii) .