[{"from": "human", "value": "What can you tell me about 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": "A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752)"}]