[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1\N=N\C1=C([O-])C2=C(C=C1)C(=CC(=C2N)S(O)(=O)=O)S([O-])(=O)=O)C1=CC=C(\N=N\C2=C([O-])C3=C(C=C2)C(=CC(=C3N)S(O)(=O)=O)S([O-])(=O)=O)C(C)=C1