[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=N][C][=Branch2][Ring1][#C][=N][C][=C][Ring1][=Branch1][N][=C][Branch1][=N][N][=C][Ring1][=Branch1][N][C][C][C][C][C][Ring1][=Branch1][N][Branch1][Ring2][C][C][O][C][C][O][N][Branch1][Ring2][C][C][O][C][C][O]"}, {"from": "gpt", "value": "The molecule is a pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots. It has a role as an adenosine phosphodiesterase inhibitor, an EC 3.5.4.4 (adenosine deaminase) inhibitor, a platelet aggregation inhibitor and a vasodilator agent. It is a member of piperidines, a pyrimidopyrimidine, a tertiary amino compound and a tetrol."}]