[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][Branch1][Ring2][C][Ring1][=Branch1][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][Cl][C][=Branch1][C][=O][N][C][C][N][C][C][C][Ring1][=Branch1][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a 5-hydroxytryptamine-3 (5-HT3) receptor antagonist with antiemetic activity. RG 12915 binds to and antagonizes the action of serotonin on the 5-HT-3 receptor located on vagal afferents in the chemoreceptor trigger zone (CTZ), resulting in suppression of chemotherapy-induced nausea and vomiting."}]