[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is under investigation in clinical trial NCT03489772 (Study of ITI-214 in Healthy Volunteers to Determine CNS Engagement)."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][C][=C][Branch2][Ring2][=N][N][Branch2][Ring1][Ring1][N][=C][Ring1][Branch1][N][C][Ring1][#Branch2][=N][C@H1][C@@H1][Ring1][Branch1][C][C][C][Ring1][Branch1][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=N][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][F][N][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]