Task: Answer the multiple-choice question.
Question: Which drug has a 11.304\% 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] C=CCNc1nc(-c2ccccc2)nc(-n2ccnc2)n1
[b] CCCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
Answer: b. CCCc1cc(=O)n2c([nH]c3ccccc32)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#}
CCCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
CCCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
1-oxo-3-propyl-5H-pyrido[1,2-a]benzimidazole-4-carbonitrile