[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a N-glycosyl-1,2,4-triazine. It has a role as an antineoplastic agent, an antimetabolite and a drug metabolite."}, {"from": "gpt", "value": "[C][=N][N][Branch1][#Branch2][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O]"}]