CC1=NN(C(=O)CC(=O)N(C(=O)c2ccccc2)c2ccc(Cl)cc2)C(=O)C1/N=N/c1ccc([N+](=O)[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?