CC(C)C(=O)OCC1OC(n2c(Br)nc3c(=O)[nH]c(N)nc32)C(OC(=O)C(C)C)C1OC(=O)C(C)C
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?