Task: Answer the multiple-choice question.
Query: Which compound exhibits a -7.254% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CC1CCCC1
b: O=C(Nc1ccccc1C(F)(F)F)c1cc(S(=O)(=O)N2CCOCC2)ccc1F
Answer: a. CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CC1CCCC1
{#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#}
CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CC1CCCC1
CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CC1CCCC1
2-cyclopentyl-N-[2-(2,6-difluoroanilino)-2-oxoethyl]-N-ethylacetamide