Task: Answer the MCQ question.
Query: Which drug exhibits a -49.994% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(CSc1nn(-c2ccccc2)c(=S)s1)Nc1ncccn1
b. CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
c. O=C(NCc1cccnc1)Nc1ccc([N+](=O)[O-])cc1
Answer: b. CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
{#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#}
CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
(4-bromophenyl)-(4-ethylpiperazin-1-yl)methanethione