NC(=O)C(=O)N/N=C1\C(=O)N(c2ccc(Cl)cc2Cl)C(=O)C1C(=O)Nc1ccc(Cl)cc1Cl
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?