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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O2i	0.86	2.07	2.8506 (18)	150
C12—H12C⋯O2ii	0.96	2.51	3.434 (2)	161
C14—H14C⋯O1iii	0.96	2.56	3.495 (2)	164

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