C[C@@H]1CN([C@H](C)CO)C(=O)CCCn2nncc2CO[C@H]1CN(C)C(=O)c1ccc(N2CCN(C)CC2)cc1
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?