Task: Answer the MCQ question.
Query: Which compound exhibits a 9.961\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) CCCN(CCO)C1CCN(CCc2ccccc2)CC1
b) COc1cc(C(=O)NCCCN2CCCC2=O)cc(Br)c1OCc1ccccc1
c) O=C(Nc1ccc(S(=O)(=O)N2CCCC2)cc1)c1ccc(CN2CCc3ccccc3C2)cc1
d) CCOC(=O)c1csc(N)n1.Cl
Answer: a. CCCN(CCO)C1CCN(CCc2ccccc2)CC1
{#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#}
CCCN(CCO)C1CCN(CCc2ccccc2)CC1
CCCN(CCO)C1CCN(CCc2ccccc2)CC1
2-[[1-(2-phenylethyl)piperidin-4-yl]-propylamino]ethanol