CCCCCCCCCCCCCCCCNc1nc(=O)n(C2CC(O)C(COP(=O)(O)OC3CC(n4cc(F)c(=O)[nH]c4=O)OC3CO)O2)cc1F
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?