[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@@H1][C][N][Branch2][Ring1][Ring2][C][=Branch1][C][=O][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][O][Ring1][=Branch1][C][Ring1][=C][C@@H1][C][N][C][C][C][Ring1][=Branch1][C][C][Ring1][=Branch1].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrochloride obtained by combining palonosetron with one molar equivalent of hydrogen chloride; an antiemetic used in combination with netupitant (under the trade name Akynzeo) to treat nausea and vomiting in patients undergoing cancer chemotherapy. It has a role as an antiemetic and a serotonergic antagonist. It contains a palonosetron(1+)."}]