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Scheme 5. Weighted graph representation of the triple adaptation of the [2 × 2] CDN NB from the statistical distribution (top) of the four constituents 1A1B, 4A1B, 1A7B and 4A7B (3.5 mM each) in response to 0.5 eq. Zn2+ & 1 eq. Et3N (middle left), 0.5 eq. Zn2+ (middle center) and light irradiation (λirr = 310–400 nm, middle right)a. aSee text and ESI for conditions, catalyst and temperature. See Table S8† for numerical values.