[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][Branch2][Ring1][=N][C][=Branch1][C][=N][N][=C][N][Ring1][#Branch1][C@H1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][F]"}, {"from": "gpt", "value": "The molecule is a Cytosine Arabinoside derivative that inhibits pyrimidine synthesis, causing inhibition of DNA synthesis. (NCI)"}]