COC(=O)C1CCN(C(=O)COC(=O)c2ccc(OC)c(S(=O)(=O)N3CCCc4ccccc43)c2)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?