[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an orally administered alkylating agent used largely in the therapy of malignant brain tumors including glioblastoma and astrocytoma. Temozolomide has been associated with a low rate of serum enzyme elevations during treatment and with rare instances of clinically apparent cholestatic liver injury."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][N][C][=N][C][=Branch1][Branch2][=C][Ring1][Branch1][N][=N][Ring1][#Branch2][C][=Branch1][C][=O][N]"}]