[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is tri-n-butyl phosphate, Bu3-P, TBP.  Industrial chemical; used as a plasticizer, in hydraulic fluid, as a solvent and extractant for metal ions, and as a heat exchange agent."}, {"from": "gpt", "value": "[C][C][C][C][O][P][=Branch1][C][=O][Branch1][=Branch1][O][C][C][C][C][O][C][C][C][C]"}]