Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.351\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] OC(Cn1cccn1)c1ccccc1
[b] CC(=O)Nc1ccc2c(c1)nc(CCN1CCC(C)CC1)n2C
Answer: b. CC(=O)Nc1ccc2c(c1)nc(CCN1CCC(C)CC1)n2C
{#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#}
N-[1-methyl-2-[2-(4-methylpiperidin-1-yl)ethyl]benzimidazol-5-yl]acetamide