Task: Answer the MCQ question.
Question: Which compound has a 14.422\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CN(CC(=O)Nc1ccc(S(=O)(=O)N2CCCC2)cc1)Cc1cccc(Cl)c1Cl
b CC1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
Answer: b. CC1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
{#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#}
CC1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
CC1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
1-(5-bromothiophen-2-yl)sulfonyl-4-methylpiperidine