O=C(NCc1ccco1)c1ccc2[nH]c([C@@H]3O[C@H](CO)[C@H](O)[C@H](O)[C@H]3O)nc2c1
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?