CCCCCC(=O)C(C)C1=Nc2nnc(CCCCCCCc3nnc4n3C(=O)C(C(C)C(=O)CCCCC)=N4)n2C1=O
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?