Task: Answer the MCQ question.
Question: Which compound exhibits a -1.028% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) CCc1sc(C(=O)NC)cc1Br
b.) COc1ccc(Cc2ccc(OC)c(N)c2)cc1N
c.) Cc1ccc(-n2nc3c(=O)n(CC(=O)NCCc4ccco4)nc(C)c3c2C)cc1
Answer: a. CCc1sc(C(=O)NC)cc1Br
{#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#}
CCc1sc(C(=O)NC)cc1Br
CCc1sc(C(=O)NC)cc1Br
4-bromo-5-ethyl-N-methylthiophene-2-carboxamide