3,7,11,14,18,22,26,29,32,35,38,41-dodecaazatricyclo[22.6.6.6~9,16~]dotetraconta-1(31),2,7,9(42),10,15,17,22,24,29,35,37-dodecaene, copper(2+) nickel(2+) salt, (2E,7E,17E,22Z,29E,35E,37E)- (1:1:1)