Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -8.260% 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. CCOc1ccc(-n2c(-c3ccc(Cl)cc3)c[n+]3c2SCC3)cc1.[Br-]
b. CN1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
Answer: b. CN1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
{#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#}
CN1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
CN1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
1-(5-bromothiophen-2-yl)sulfonyl-4-methylpiperazine