Cc1ccc(NC(=O)NC(=O)c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1Oc1ncc(Cl)cn1
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?