Task: Answer the multiple choice question.
Question: Which compound exhibits a 27.813% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a C=CC(C)C(C(=O)c1ccccc1)N(C)C
b COc1ccc(S(=O)(=O)NCCSCc2cccc(C)c2)cc1Br
Answer: a. C=CC(C)C(C(=O)c1ccccc1)N(C)C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
C=CC(C)C(C(=O)c1ccccc1)N(C)C
C=CC(C)C(C(=O)c1ccccc1)N(C)C
2-(dimethylamino)-3-methyl-1-phenylpent-4-en-1-one