Task: Answer the MCQ question.
Query: Which compound exhibits a 6.157\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(NC(=O)C(Cc2ccccc2)n2cccc2)cc1
[b] O=C1CC(c2cccc([N+](=O)[O-])c2)c2c(ccc3ccccc23)N1
Answer: a. COc1ccc(NC(=O)C(Cc2ccccc2)n2cccc2)cc1
{#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#}
COc1ccc(NC(=O)C(Cc2ccccc2)n2cccc2)cc1
COc1ccc(NC(=O)C(Cc2ccccc2)n2cccc2)cc1
N-(4-methoxyphenyl)-3-phenyl-2-pyrrol-1-ylpropanamide