[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a polybromodiphenyl ether that is diphenyl ether in which the hydrogens at the 2, 4, 5, 2', and 4' positions have been replaced by bromines."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Br][Br][O][C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Br][Br][Br]"}]