O=C(O)c1cccc(NS(=O)(=O)c2ccc(Oc3ccc(S(=O)(=O)Nc4cccc(C(=O)O)c4)cc3)cc2)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?