Task: Answer the multiple choice question.
Query: Which compound has a -2.731% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Br.CC1CC(c2nc(-c3cccc(Br)c3)cs2)CCO1
(b) CCCOc1ccc(-c2c(=O)n(O)c3ccccc3[n+]2[O-])cc1
Answer: a. Br.CC1CC(c2nc(-c3cccc(Br)c3)cs2)CCO1
{#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#}
Br.CC1CC(c2nc(-c3cccc(Br)c3)cs2)CCO1
Br.CC1CC(c2nc(-c3cccc(Br)c3)cs2)CCO1
4-(3-bromophenyl)-2-(2-methyloxan-4-yl)-1,3-thiazole;hydrobromide