C#CC1(O)C(COP(=O)(O)OCC2OC(n3ccc(NCCCCCCCCCCCCCCCCCC)nc3=O)C(O)C2O)OC(n2ccc(N)nc2=O)C1O
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?