[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is under investigation in clinical trial NCT02840279 (A Multiple Ascending Dose Study of BPN14770 in Healthy Young and Elderly Male or Female Subjects)."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][C][=N][C][=Branch2][Ring1][=Branch2][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][N][C][Branch1][C][F][Branch1][C][F][F]"}]