COC(=O)c1cc(NC2OCC(OC(C)=O)C(OC(C)=O)C2OC(C)=O)nc(SC)c1C(=O)OC
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?