Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.195% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCC(=O)Nc1ccc2c(c1)oc1ccccc12
(b) COc1ccc(C(NCC(=O)Nc2c(C)cccc2C)c2ccccc2)cc1.O=C(O)C(=O)O
Answer: a. CCCCC(=O)Nc1ccc2c(c1)oc1ccccc12
{#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#}
CCCCC(=O)Nc1ccc2c(c1)oc1ccccc12
CCCCC(=O)Nc1ccc2c(c1)oc1ccccc12
N-(dibenzofuran-3-yl)pentanamide