Task: Answer the multiple-choice question.
Question: Which compound has a 10.858\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=c1c(Cl)c(N2CCN(S(=O)(=O)c3ccc(F)cc3)CC2)cnn1-c1cccc(Cl)c1
b: CCN1CCN(CCC(=O)Nc2ccccc2OC)CC1
c: CC1CCN(c2nc(-c3ccc(F)cc3)cc(C(F)(F)F)n2)CC1
Answer: b. CCN1CCN(CCC(=O)Nc2ccccc2OC)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#}
3-(4-ethylpiperazin-1-yl)-N-(2-methoxyphenyl)propanamide