[{"from": "human", "value": "Provide a description of this molecule. [C][C][N][Branch1][Ring1][C][C][C][C][N][C][=Branch1][C][=O][C][=C][C][=Branch2][Ring1][Ring1][=C][Branch1][#C][C][=C][Ring1][=Branch1][O][C][Branch1][C][C][C][=Branch1][C][=O][C][N][Cl]"}, {"from": "gpt", "value": "The molecule is a serotonin antagonist having antiemetic properties."}]