CC(C)CC(NC(=O)OC(C)(C)C)C(=O)NC(CCC(=O)OCc1ccc([N+](=O)[O-])cc1)C(=O)OCc1ccc([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?