SMILES: C1=CC(=C(C=C1C2=CC(=C(C(=C2)Cl)Cl)Cl)Cl)Cl
Description: The molecule is a pentachlorobiphenyl in which the chlorines are located at the 3, 4, 5, 3', and 4' positions. It is a pentachlorobiphenyl and a trichlorobenzene.