Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.979\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CCCOc1ccc(Cl)cc1Cl)N1CCN(c2ccccn2)CC1
(b) O=C(COC(=O)C1=COCCO1)Nc1ccc(F)c(F)c1
Answer: b. O=C(COC(=O)C1=COCCO1)Nc1ccc(F)c(F)c1
{#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(COC(=O)C1=COCCO1)Nc1ccc(F)c(F)c1
O=C(COC(=O)C1=COCCO1)Nc1ccc(F)c(F)c1
[2-(3,4-difluoroanilino)-2-oxoethyl]2,3-dihydro-1,4-dioxine-5-carboxylate