COc1ccc(OC)c(C(=O)NC(CC(N)=O)c2ccc(NCCN3CCOCC3)c([N+](=O)[O-])c2)c1
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?