Task: Answer the MCQ question.
Question: Which drug exhibits a -0.047\% 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] c1ccc2c(C[C@@H]3CNCCN3CC3CCCCC3)cccc2c1
[b] COc1ccccc1CC(=O)Nc1ccc2[nH]ncc2c1
Answer: b. COc1ccccc1CC(=O)Nc1ccc2[nH]ncc2c1
{#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#}
COc1ccccc1CC(=O)Nc1ccc2[nH]ncc2c1
COc1ccccc1CC(=O)Nc1ccc2[nH]ncc2c1
N-(1H-indazol-5-yl)-2-(2-methoxyphenyl)acetamide