Task: Answer the multiple-choice question.
Question: Which compound has a 9.947\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(OC)c3)cc21
[b] CCOc1ccc(NC(=O)CC(Cc2cc(C)cc(C)c2)C(=O)O)cc1
Answer: a. CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(OC)c3)cc21
{#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#}
CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(OC)c3)cc21
CCn1c(=O)n(CC)c2cc(N3CCCC3)c(NC(=O)c3cccc(OC)c3)cc21
N-(1,3-diethyl-2-oxo-6-pyrrolidin-1-ylbenzimidazol-5-yl)-5-methoxybenzamide