Cc1nc(/N=N\c2ccc(S(=O)(=O)[O-])cc2S(=O)(=O)[O-])c(COP(=O)([O-])[O-])c(C=O)c1O.[Na+].[Na+].[Na+].[Na+]
Aromatic rings (also known as aromatic compounds or arenes) are hydrocarbons which contain benzene, or some other related ring structure. How many aromatic rings does the molecule contain?