Cl.O=C(/C=C\c1ccc(/C=C/C(=O)Nc2cccc(C3=NCCCN3)c2)cc1)Nc1cccc(C2=NCCCN2)c1
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?