[{"from": "human", "value": "What can you tell me about this molecule? [C][C][N][Branch1][Ring1][C][C][C][=Branch1][C][=O][/C][=Branch2][Ring1][#Branch1][=C][/C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][N+1][=Branch1][C][=O][O-1][/C][#N]"}, {"from": "gpt", "value": "The molecule is a selective, reversible catechol-O-methyl transferase (COMT) inhibitor for the treatment of Parkinson's disease. It is a member of the class of nitrocatechols. When administered concomittantly with levodopa and a decarboxylase inhibitor (e.g., carbidopa), increased and more sustained plasma levodopa concentrations are reached as compared to the administration of levodopa and a decarboxylase inhibitor."}]