O=C1NC(Cc2c[nH]c3ccccc23)C(=O)N1Cc1ccc(CN2C(=O)NC(Cc3c[nH]c4ccccc34)C2=O)cc1
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?