Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 14.393\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCC(C)C(=O)Nc1ccc(OC)cc1OC
b: CCN(c1ccc(C)c(C)c1)S(=O)(=O)c1ccc2c(c1)CCN2C(=O)CCC(=O)O
Answer: a. CCC(C)C(=O)Nc1ccc(OC)cc1OC
{#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#}
CCC(C)C(=O)Nc1ccc(OC)cc1OC
CCC(C)C(=O)Nc1ccc(OC)cc1OC
N-(2,4-dimethoxyphenyl)-2-methylbutanamide