Task: Answer the multiple-choice question.
Query: Which compound exhibits a 9.100\% 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 other words.
Options:
[a] O=C(NCCc1c[nH]c2ccccc12)c1cnc2sccn2c1=O
[b] O=c1cc(O)n(-c2ccccc2F)c(=S)[nH]1
Answer: b. O=c1cc(O)n(-c2ccccc2F)c(=S)[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=c1cc(O)n(-c2ccccc2F)c(=S)[nH]1
O=c1cc(O)n(-c2ccccc2F)c(=S)[nH]1
1-(2-fluorophenyl)-6-hydroxy-2-sulfanylidenepyrimidin-4-one