Task: Answer the multiple-choice question.
Question: Which compound exhibits a 0.613\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(c1sc2cccc(Cl)c2c1Cl)N1CCN(CCc2ccccn2)CC1
(b) CCc1ccccc1NC(=O)C1CCCN(S(=O)(=O)c2ccc3c(c2)CC(C)N3C(C)=O)C1
Answer: a. O=C(c1sc2cccc(Cl)c2c1Cl)N1CCN(CCc2ccccn2)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#}
O=C(c1sc2cccc(Cl)c2c1Cl)N1CCN(CCc2ccccn2)CC1
O=C(c1sc2cccc(Cl)c2c1Cl)N1CCN(CCc2ccccn2)CC1
(3,4-dichloro-1-benzothiophen-2-yl)-[4-(2-pyridin-2-ylethyl)piperazin-1-yl]methanone