O=C(Nc1ccc(Cl)c(Cl)c1)C1C(=O)N(c2ccc(Cl)c(Cl)c2)C(=O)/C1=N\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?