[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][#Branch1][C][N][Branch1][C][C][C][C][Branch1][C][C][Branch1][=N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][O]"}, {"from": "gpt", "value": "The molecule is a cough suppressant that is withdrawn from the US and EU markets. Clobutinol may prolong the QT interval. In 2007, Clobutinol was determined to cause cardiac arrhythmia in some patients."}]