Task: Answer the multiple-choice question.
Question: Which compound exhibits a 20.783% 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) O=C(Nc1cc(F)ccc1F)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
(b) CN(C(=O)c1ccc(Br)o1)C1(C)CCS(=O)(=O)C1
(c) COc1ccc2[nH]c(C)cc(=O)c2c1
(d) COc1cccc(CN2CCC(Oc3ccc(C(=O)NCc4ccccn4)cc3)CC2)c1
Answer: c. COc1ccc2[nH]c(C)cc(=O)c2c1
{#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#}
COc1ccc2[nH]c(C)cc(=O)c2c1
COc1ccc2[nH]c(C)cc(=O)c2c1
6-methoxy-2-methyl-1H-quinolin-4-one