Task: Answer the MCQ question.
Query: Which compound has a 28.760% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] [O-]/C(=C(\C(=S)Nc1cccc2ccccc12)[n+]1ccccc1)c1ccc2c(c1)OCCO2
[b] COCc1c(CCl)cnc(C)c1O
Answer: b. COCc1c(CCl)cnc(C)c1O
{#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#}
COCc1c(CCl)cnc(C)c1O
COCc1c(CCl)cnc(C)c1O
5-(chloromethyl)-4-(methoxymethyl)-2-methylpyridin-3-ol