[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][Branch2][Ring1][P][S][C][=N][C][=N][C][=Branch1][=Branch1][=C][Ring1][=Branch2][Ring1][=Branch1][N][C@H1][C][C][N][Branch1][Ring2][C][Ring1][Branch1][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C]"}, {"from": "gpt", "value": "The molecule is an N-(1-benzylpyrrolidin-3-yl)-5,6-dimethylthieno[2,3-d]pyrimidin-4-amine in which the chiral centre has S configuration. Both enantiomers act as fatty acid synthase inhibitors, although the (S)-enantiomer was found to be more than 4 times as active as the (R)-enantiomer. It has a role as a fatty acid synthesis inhibitor and an EC 2.3.1.85 (fatty acid synthase) inhibitor. It is an enantiomer of a (R)-Fasnall."}]