NNC(=S)N/N=C(/C(=O)Nc1ccc(Cl)c(Cl)c1)C(C1OC(=O)c2ccccc21)[N+](=O)[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?