Task: Answer the multiple choice question.
Question: Which compound has a 5.813\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCc1ccccc1NC(=O)Cn1nnc(-c2cccs2)n1
[b] CC(=O)c1c(C)[nH]c(C(=O)OCC(=O)Nc2ccc([N+](=O)[O-])cc2Cl)c1C
Answer: a. CCc1ccccc1NC(=O)Cn1nnc(-c2cccs2)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCc1ccccc1NC(=O)Cn1nnc(-c2cccs2)n1
CCc1ccccc1NC(=O)Cn1nnc(-c2cccs2)n1
N-(2-ethylphenyl)-2-(5-thiophen-2-yltetrazol-2-yl)acetamide