O=C(c1ccco1)[C@@H]1[C@@H]2C(=O)N(c3ccc(Br)cc3)C(=O)[C@@H]2C2c3ccccc3C=CN21
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?