Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 21.030\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(CNC(=S)N/N=C(/C)c2ccccc2)cc1
b) Clc1cc2nc(-c3cccnc3Cl)[nH]c2cc1Cl
Answer: b. Clc1cc2nc(-c3cccnc3Cl)[nH]c2cc1Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Clc1cc2nc(-c3cccnc3Cl)[nH]c2cc1Cl
Clc1cc2nc(-c3cccnc3Cl)[nH]c2cc1Cl
5,6-dichloro-2-(2-chloropyridin-3-yl)-1H-benzimidazole