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

Cg2, Cg5, Cg8 and Cg11 are the centroids of the benzene rings C5–C10, C15–C20, C25–C30 and C35–C40, respectively. Cg3, Cg6, Cg9 and Cg12 are the centroids of the indole ring systems N1/C3–C10, N3/C13–C20, N5/C23–C30 and N7/C33–C40, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C42—H42B⋯Cg2	0.96	2.87	3.621 (3)	135
C44—H44B⋯Cg5	0.96	2.74	3.550 (3)	143
C46—H46B⋯Cg8	0.96	2.80	3.533 (3)	134
C48—H48B⋯Cg11	0.96	2.78	3.629 (3)	147
N1—H1N⋯O4i	0.86	2.08	2.898 (2)	159
N2—H2AN⋯O6	0.89	2.02	2.861 (3)	156
N2—H2BN⋯O8	0.89	1.93	2.778 (2)	158
N2—H2CN⋯O1	0.89	1.92	2.803 (2)	169
N3—H3N⋯O2ii	0.86	2.04	2.864 (3)	161
N4—H4AN⋯O4	0.89	2.03	2.805 (3)	145
N4—H4BN⋯O5i	0.89	1.91	2.777 (2)	163
N4—H4CN⋯O7ii	0.89	2.45	3.186 (3)	140
N5—H5N⋯O7iii	0.86	2.01	2.839 (2)	162
N6—H6AN⋯O4i	0.89	2.57	3.122 (3)	121
N6—H6BN⋯O1	0.89	1.95	2.828 (2)	169
N6—H6CN⋯O5	0.89	2.07	2.936 (3)	165
N7—H7N⋯O6	0.86	2.04	2.867 (3)	161
N8—H8AN⋯O2	0.89	2.09	2.936 (3)	157
N8—H8BN⋯O3ii	0.89	1.85	2.734 (2)	172
N8—H8CN⋯O7	0.89	1.87	2.726 (2)	162
C4—H4⋯O5	0.93	2.40	3.248 (3)	151
C34—H34⋯O1	0.93	2.46	3.347 (3)	159
N4—H4CN⋯O9iv	0.89	2.46	3.003 (3)	120
O9—H9A⋯O8	0.88 (5)	1.97 (5)	2.840 (3)	169 (4)
O9—H9B⋯O6	0.86 (4)	2.02 (4)	2.872 (3)	168 (4)
N6—H6AN⋯O10	0.89	2.22	2.927 (3)	136
O10—H10A⋯O3	0.88 (4)	1.96 (4)	2.822 (3)	166 (3)
O10—H10B⋯O2ii	0.85 (4)	2.07 (4)	2.903 (3)	169 (3)
C9—H9⋯Cg12v	0.93	2.93	3.782 (3)	153
C19—H19⋯Cg9vi	0.93	2.81	3.641 (3)	149
C29—H29⋯Cg3vii	0.93	2.92	3.736 (3)	147
C39—H39⋯Cg6viii	0.96	2.95	3.643 (3)	132

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