Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 12.556\% 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. Fc1cc(F)c(F)c(SCCc2ccncc2)c1F
b. CC(=O)Nc1nonc1-c1ccccc1
Answer: a. Fc1cc(F)c(F)c(SCCc2ccncc2)c1F
{#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#}
4-[2-(2,3,5,6-tetrafluorophenyl)sulfanylethyl]pyridine