CC(C)(C)C1CCC2c3c([nH]c4ccccc34)C3C(=O)N(c4ccc(C#N)cc4)C(=O)C3C2C1
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?