CCOC(=O)C1C(c2ccc([N+](=O)[O-])cc2)NC(c2ccc([N+](=O)[O-])cc2)C(C(=O)OC)S1(=O)=O
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?