SMILES: [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC(=CC=C1)/N=N/C1=CC=C(/N=N/C2=CC=C(/N=N/C3=C(O)C4=CC=C(C=C4C=C3S([O-])(=O)=O)NC3C=CC=CC=3)C3=CC=C(C=C23)S([O-])(=O)=O)C2=CC=C(C=C12)S([O-])(=O)=O