Task: Answer the MCQ question.
Query: Which drug has a 6.519% 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 additional words.
Options:
a COC(=O)c1c(NC(=O)c2ccco2)sc(C(=O)N2CCCC2)c1C
b CCC(=O)NC(=S)Nc1ccc(NC(=O)c2ccc([N+](=O)[O-])cc2)cc1
c COCc1c(C(N)=O)nnn1-c1nonc1N
d O=C(Nc1ccccn1)C(=O)N1CCCCC1
Answer: d. O=C(Nc1ccccn1)C(=O)N1CCCCC1
{#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#}
O=C(Nc1ccccn1)C(=O)N1CCCCC1
O=C(Nc1ccccn1)C(=O)N1CCCCC1
2-oxo-2-piperidin-1-yl-N-pyridin-2-ylacetamide