CC(=O)OCC1=C(C(=O)O)N2C(=O)C(NC(=O)C(C)Cn3nc(C)c(Cl)c3C)C2SC1
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?