Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -2.957% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(COc1c(Br)cc(Br)c2cccnc12)N1CCCCC1
[b] CCC(C)c1ccc(O)c(N)c1
Answer: b. CCC(C)c1ccc(O)c(N)c1
{#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#}
CCC(C)c1ccc(O)c(N)c1
CCC(C)c1ccc(O)c(N)c1
2-amino-4-butan-2-ylphenol