CCN1C(=O)C2(C(C(=O)c3cc4ccccc4o3)=C(O)C(=O)N2CCCN(C)C)c2ccccc21
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?