CCOC(=O)c1ccc(NC2=CC(c3ccc(O)c(OCC)c3)N(c3ccc(C(=O)OCC)cc3)C2=O)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?