Task: Answer the multiple-choice question.
Question: Which drug exhibits a 20.094% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCn1cc(C(=O)NCCN(C)C)c(=O)c2cc(F)c(N3CCN(C)CC3)cc21.Cl
(b) CCCCOc1ccc(N(CC(=O)NC(C)C)C(=O)CCC(=O)Nc2ccccn2)cc1
Answer: b. CCCCOc1ccc(N(CC(=O)NC(C)C)C(=O)CCC(=O)Nc2ccccn2)cc1
{#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#}
CCCCOc1ccc(N(CC(=O)NC(C)C)C(=O)CCC(=O)Nc2ccccn2)cc1
CCCCOc1ccc(N(CC(=O)NC(C)C)C(=O)CCC(=O)Nc2ccccn2)cc1
N'-(4-butoxyphenyl)-N'-[2-oxo-2-(propan-2-ylamino)ethyl]-N-pyridin-2-ylbutanediamide