COC(=O)[C@H]1[C@H](OC)[C@@H](OC(=O)/C=C\c2cc(OC)c(OC)c(OC)c2)C[C@H]2CN3CCc4c([nH]c5cc(OC)ccc45)[C@@H]3C[C@H]21
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?