[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a phthalate ester mostly used as a plasticizer for PVC. Phthalate esters can cause reproductive and developmental toxicity. (A2883, L1902)"}]