Task: Answer the multiple-choice question.
Question: Which compound exhibits a -3.455% 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, b, or c without using any other words.
Options:
[a] COc1ccc(NC(=O)COc2ccccc2C#N)c(S(=O)(=O)N2CCCCC2)c1
[b] COn1c(=O)c(=O)n(OC)c2ccccc21
[c] Br.CCn1c(O)c(N=NC2=NC(=O)CS2)c2ccccc21
Answer: b. COn1c(=O)c(=O)n(OC)c2ccccc21
{#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#}
COn1c(=O)c(=O)n(OC)c2ccccc21
COn1c(=O)c(=O)n(OC)c2ccccc21
1,4-dimethoxyquinoxaline-2,3-dione