Task: Answer the MCQ question.
Question: Which compound has a 3.809\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCOc1nc(-c2ccccc2)ccc1-c1noc(-c2cccs2)n1
b) COC(=O)c1ccc(Cn2nnc3c(=O)[nH]c(C4CCCN(S(=O)(=O)c5ccc(C)cc5)C4)nc32)cc1
Answer: a. CCOc1nc(-c2ccccc2)ccc1-c1noc(-c2cccs2)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOc1nc(-c2ccccc2)ccc1-c1noc(-c2cccs2)n1
CCOc1nc(-c2ccccc2)ccc1-c1noc(-c2cccs2)n1
3-(2-ethoxy-6-phenylpyridin-3-yl)-5-thiophen-2-yl-1,2,4-oxadiazole