[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][Branch2][Ring1][Ring1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@@H1][C][C][=Branch1][C][=O][N][C][Ring1][=Branch1][O][C][C][C][C][C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is the (S)-enantiomer of rolipram. It is an enantiomer of a (-)-rolipram."}]