[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of HIV infection in adults and children. Lamivudine is always used in combination with other HIV medicines."}, {"from": "gpt", "value": "[C][C@H1][Branch1][#Branch2][O][C@H1][Branch1][Ring2][S][Ring1][Branch1][C][O][N][C][=C][C][=Branch1][=Branch1][=N][C][Ring1][=Branch1][=O][N]"}]