COC(=O)c1nc2n(n1)C(c1cc(OC)ccc1OC)C(C(=O)Nc1ccc(C)cc1C)=C(C)N2
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?