[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an ethyl 4-(3-hydroxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate that has R configuration. It is an enantiomer of a (S)-monastrol."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][C][=C][Branch2][Ring1][Branch1][N][C][=Branch1][C][=S][N][C@@H1][Ring1][#Branch1][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C]"}]