[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is under investigation in clinical trial NCT00416442 (Safety, Tolerability and Pharmacokinetic Study of Single and Multiple Intravenous Doses of RSV604 in Healthy Subjects.)."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=N][C@@H1][Branch1][S][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][N][N][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][F]"}]