Task: Answer the MCQ question.
Query: Which drug exhibits a 0.697% 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. Cc1sc2ncn(CC(=O)NC3CCCCC3)c(=O)c2c1C
b. CC(=O)N1CCN(C(c2ccccc2)c2ccccc2)CC1
Answer: b. CC(=O)N1CCN(C(c2ccccc2)c2ccccc2)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#}
CC(=O)N1CCN(C(c2ccccc2)c2ccccc2)CC1
CC(=O)N1CCN(C(c2ccccc2)c2ccccc2)CC1
1-(4-benzhydrylpiperazin-1-yl)ethanone