Task: Answer the multiple-choice question.
Question: Which compound exhibits a 17.523% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1cccc2cc(-c3cn4cccc(C)c4n3)c(=O)oc12
b O=C1CC(N2CCC(c3nc4ccccc4[nH]3)CC2)C(=O)N1Cc1ccccc1
c Cc1cccc2cc(CN(Cc3ccco3)C(=O)c3cccs3)c(=O)[nH]c12
d O=C(NC1CCCC1)c1ccc(Br)o1
Answer: a. COc1cccc2cc(-c3cn4cccc(C)c4n3)c(=O)oc12
{#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#}
COc1cccc2cc(-c3cn4cccc(C)c4n3)c(=O)oc12
COc1cccc2cc(-c3cn4cccc(C)c4n3)c(=O)oc12
8-methoxy-3-(8-methylimidazo[1,2-a]pyridin-2-yl)chromen-2-one