COC(=O)CCCC1=CC2=C(c3ccccc3)C(=O)C(C)(OC(=O)C3CCCC3)C(=O)C2=CN1CCc1c[nH]c2ccccc12
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?