Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.301\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COCc1cc(C)nc(SCC(=O)N2CCC(C)CC2)c1C#N
b: CC(C)Oc1cccc(C(=O)C2CCCN(S(C)(=O)=O)C2)c1
Answer: a. COCc1cc(C)nc(SCC(=O)N2CCC(C)CC2)c1C#N
{#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#}
COCc1cc(C)nc(SCC(=O)N2CCC(C)CC2)c1C#N
COCc1cc(C)nc(SCC(=O)N2CCC(C)CC2)c1C#N
4-(methoxymethyl)-6-methyl-2-[2-(4-methylpiperidin-1-yl)-2-oxoethyl]sulfanylpyridine-3-carbonitrile