[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][P][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a dichlorobiphenyl carrying chloro groups at positions 4 and 4' respectively. It is a dichlorobiphenyl and a member of monochlorobenzenes."}]