O=C(O)c1cc(NS(=O)(=O)c2ccc(NC3CCCCC3)c([N+](=O)[O-])c2)cc(C(=O)O)c1
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?