COC(=O)/C(=N/Nc1cccc(Cl)c1)C(C(=O)C(=O)Nc1cccc(Cl)c1C)c1nc2ccccc2nc1C
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?