[Na+].[Na+].[Na+].[Na+].[H]\C(=C(\[H])C1=C(C=C(C=C1)N=C1NC(=NC(NC2=CC=C(C=C2)S([O-])(=O)=O)=N1)N(CCO)CCO)S([O-])(=O)=O)C1=C(C=C(C=C1)N=C1NC(=NC(NC2=CC=C(C=C2)S([O-])(=O)=O)=N1)N(CCO)CCO)S([O-])(=O)=O