Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 18.606% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=c1[nH][nH]cc1C=Nc1ccccc1O
b. O=C(/C=C1\SC(=O)N(CC(=O)Nc2ccc(Cl)cc2)C1=O)Nc1ccc(F)cc1
Answer: a. O=c1[nH][nH]cc1C=Nc1ccccc1O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1[nH][nH]cc1C=Nc1ccccc1O
O=c1[nH][nH]cc1C=Nc1ccccc1O
4-[(2-hydroxyphenyl)iminomethyl]-1,2-dihydropyrazol-3-one