O=C1C2N=NN(CC(=O)N3N=C(c4ccccc4)CC3c3ccc([N+](=O)[O-])cc3)C2C(=O)N1c1ccccc1
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?