CC1(C(=O)N2CC3(CC(c4cccc(NC(=O)COc5ccc(Cl)cc5)c4)=NO3)C[C@@H]2C(N)=O)CC1
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?