Task: Answer the MCQ question.
Question: Which compound has a 18.371% 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. Brc1cccc(OCCSc2ncccn2)c1
b. COc1nccnc1NS(=O)(=O)c1ccc(N=Cc2c(C)[nH]n(-c3ccc(C)c(C)c3)c2=O)cc1
c. CCn1c(CCc2ccccc2)n[nH]c1=S
Answer: a. Brc1cccc(OCCSc2ncccn2)c1
{#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#}
Brc1cccc(OCCSc2ncccn2)c1
Brc1cccc(OCCSc2ncccn2)c1
2-[2-(3-bromophenoxy)ethylsulfanyl]pyrimidine