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

Cg5 is the centroid of the C18–C22 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O3i	0.86	2.25	2.971 (3)	141
N3—H3A⋯Cl1	0.91	2.18	3.0787 (19)	172
N5—H5A⋯Cl1ii	0.86	2.42	3.250 (2)	162
N5—H5B⋯N1iii	0.86	2.33	3.151 (4)	160
O3—H3B⋯Cl1	0.82	2.38	3.195 (2)	171
C13—H13A⋯O2iv	0.97	2.33	3.272 (3)	164
C19—H19⋯O3v	0.93	2.55	3.348 (3)	144
C14—H14B⋯Cg5vi	0.97	2.48	3.393 (2)	156

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