[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][C][C][C][O][P][=Branch1][C][=O][Branch2][Ring1][Branch2][C][O][C@H1][Branch1][C][C][C][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT01080820 (A Safety, Tolerability and Pharmacokinetic Study of a Single Dose of CMX157 in Healthy Volunteers)."}]