[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch2][Ring1][=Branch1][=C][C][=C][Ring1][=Branch1][C][=Branch1][Ring1][=C][Cl][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a chlorophenylethylene that is chloroethene in which the methylene hydrogens are replaced by 4-chlorophenyl groups. It has a role as an environmental contaminant. It is a member of monochlorobenzenes and a chlorophenylethylene."}]