COC(=O)C1=C(C(=O)OC)N(C(C)C)[C@H]2C(C(=O)OC)=C(C(=O)OC)N(C(C)C)[C@@H]12
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?