COC(=O)c1csc([C@@H](OC(=O)[C@H](C)[C@H](CCCC(C)(Cl)Cl)OC(=O)c2csc([C@H](O)CO)n2)C(C)C)n1
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?