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

Cg1 is the centroid of the C10–C15 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N1⋯O3i	0.832 (18)	1.896 (18)	2.7177 (10)	169 (2)
C3—H3A⋯O2ii	0.955 (16)	2.583 (16)	3.3010 (11)	132.2 (12)
C15—H15A⋯O5	0.951 (16)	2.512 (16)	3.3716 (12)	150.4 (13)
C18—H18B⋯O5iii	0.97 (2)	2.53 (2)	3.3266 (13)	139.5 (14)
C12—H12A⋯Cg1iv	0.981 (17)	2.694 (17)	3.5810 (10)	150.6 (13)

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