Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 8.346\% 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] COc1ccccc1C(=O)NCCSCc1ccccc1Cl
[b] O=C(c1cccc(Br)c1)N1CCN(C(=O)c2cccc(Br)c2)CC1
Answer: a. COc1ccccc1C(=O)NCCSCc1ccccc1Cl
{#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#}
COc1ccccc1C(=O)NCCSCc1ccccc1Cl
COc1ccccc1C(=O)NCCSCc1ccccc1Cl
N-[2-[(2-chlorophenyl)methylsulfanyl]ethyl]-2-methoxybenzamide