CCCCNC(=O)C(C)N(CCN(C)C)C(=O)CCCN1C(=O)NC(c2ccc([N+](=O)[O-])cc2)C(C(=O)OCc2ccccc2)=C1C
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?