CCCc1c(O)c(=O)c2c(OC)cc(OC)c3c4c(OC)cc(OC)c5c(=O)c(O)c(CCC)c(c1c23)c54
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?