Task: Answer the MCQ question.
Query: Which compound has a 9.463\% 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) CC(C)COC(=O)N1CCCC1C(=O)Nc1nccs1
(b) CN(c1cc(=O)n2ccccc2n1)C1CCCCC1
Answer: b. CN(c1cc(=O)n2ccccc2n1)C1CCCCC1
{#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#}
CN(c1cc(=O)n2ccccc2n1)C1CCCCC1
CN(c1cc(=O)n2ccccc2n1)C1CCCCC1
2-[cyclohexyl(methyl)amino]pyrido[1,2-a]pyrimidin-4-one