Task: Answer the multiple-choice question.
Query: Which drug has a 9.980\% 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. Cc1n[nH]c(C)c1CCN(C)Cc1cn(C)nc1-c1ccccc1F
b. O=C(COc1ccc(Cc2ccccc2)cc1)c1ccc(F)cc1
Answer: b. O=C(COc1ccc(Cc2ccccc2)cc1)c1ccc(F)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(COc1ccc(Cc2ccccc2)cc1)c1ccc(F)cc1
O=C(COc1ccc(Cc2ccccc2)cc1)c1ccc(F)cc1
2-(4-benzylphenoxy)-1-(4-fluorophenyl)ethanone