[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a cytosine analogue and antineoplastic agent used largely in the therapy of acute leukemia. Cytarabine is associated with a low rate of transient serum enzyme and bilirubin elevations during therapy, but has only rarely been implicated in cases of clinically apparent acute liver injury with jaundice."}, {"from": "gpt", "value": "[C][=C][N][Branch1][#Branch2][C][=Branch1][C][=O][N][=C][Ring1][#Branch1][N][C@H1][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O]"}]