O=C(Nc1ccc(Cl)cc1)[C@@H]1[C@@H]2C(=O)N(c3ccc4ccccc4c3)C(=O)[C@@H]2[C@H]2C=CC=NN12
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?