CCCCCN(C(=O)COC(=O)CSc1ccc([N+](=O)[O-])cc1)c1c(N)n(CCCC)c(=O)[nH]c1=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?