Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.552\% 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: Cc1cn(S(=O)(=O)c2ccc(Br)cc2)cn1
b: O=C(NCCn1cccn1)c1cc(COc2c(F)cccc2F)on1
Answer: b. O=C(NCCn1cccn1)c1cc(COc2c(F)cccc2F)on1
{#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(NCCn1cccn1)c1cc(COc2c(F)cccc2F)on1
O=C(NCCn1cccn1)c1cc(COc2c(F)cccc2F)on1
5-[(2,6-difluorophenoxy)methyl]-N-(2-pyrazol-1-ylethyl)-1,2-oxazole-3-carboxamide