CC1=CC(C)(C)N2C(=O)C3(C(C#N)=C(N)OC4=C3C(=O)CC(C)(C)C4)c3c(C)c(C)cc1c32
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?