[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][N][C][C][Ring1][=Branch1][C][=C][C][=N][C][=C][N][=C][Ring1][=Branch1][C][=C][Ring1][#C][Ring1][#Branch2].[C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a tartrate salt obtained by reaction of varenicline with one equivalent of (R,R)-tartaric acid. A partial agonist for nicotinic cholinergic receptors, it is used as an aid to giving up smoking. It has a role as a nicotinic acetylcholine receptor agonist and a serotonergic agonist. It contains a varenicline(1+)."}]