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Cg1 is the centroid of the N1–N3/C1/C2 ring.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C3—O1⋯Cg1i | 1.21 (1) | 3.69 (1) | 3.7359 (17) | 83 (1) |
| C12—N4⋯Cg1ii | 1.14 (1) | 3.68 (1) | 3.8468 (19) | 90 (1) |
Symmetry codes: (i) 
; (ii) 
.
