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Cg2 and Cg4 are the centroids of the N2/C6–C9 and N4/C16–C19 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C50—H50A⋯O2i | 0.97 | 2.59 | 3.555 (4) | 171 |
| C57—H57B⋯Cg2 | 0.97 | 2.83 | 3.783 (4) | 168 |
| C60—H60B⋯Cg4ii | 0.97 | 2.60 | 3.437 (3) | 145 |
Symmetry codes: (i) 
; (ii) 
.
