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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯O4i	0.86	1.96	2.789 (5)	162
O1W—H1W⋯O6i	0.85	2.01	2.805 (5)	155
O2W—H4W⋯O2Wii	0.85	2.00	2.853 (7)	180
O2W—H3W⋯O7iii	0.85	1.97	2.753 (5)	152

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