Task: Answer the MCQ question.
Question: Which compound exhibits a 17.594\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) Brc1ccccc1-c1nnc(SCc2nc3ccccc3s2)o1
b.) C=CCN1CCN(C(CCC)c2nnnn2Cc2ccco2)CC1
Answer: b. C=CCN1CCN(C(CCC)c2nnnn2Cc2ccco2)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#}
C=CCN1CCN(C(CCC)c2nnnn2Cc2ccco2)CC1
C=CCN1CCN(C(CCC)c2nnnn2Cc2ccco2)CC1
1-[1-[1-(furan-2-ylmethyl)tetrazol-5-yl]butyl]-4-prop-2-enylpiperazine