SMILES:[K+].[K+].[O-]S(=O)(=O)c1ccc2C3=[N]4C(=NC5=c6cc(ccc6=C6N=C7c8ccc(CN9C(=O)c%10ccccc%10C9=O)cc8C8=[N]7[Zn++]4([N-]4C(=N3)c3ccc(CN7C(=O)c9ccccc9C7=O)cc3C4=N8)[N-]56)S([O-])(=O)=O)c2c1 |c:8,10,12,44,50,75,t:19,21,^1:11,43,45,68|