Problem statement: Answer the MCQ question.
Question: Which compound has a 14.047\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOc1cc(Cl)c(NC(C)=O)cc1OCC
(b) O=c1ncc(F)c[nH]1
Answer: b. O=c1ncc(F)c[nH]1
{#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=c1ncc(F)c[nH]1
O=c1ncc(F)c[nH]1
5-fluoro-1H-pyrimidin-2-one