Task: Answer the MCQ question.
Query: Which drug has a 9.686\% 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: Cc1nn(Cc2ccccc2Cl)c(Cl)c1C(=O)O
b: CN1CCN(CCCNCc2cn(CCC#N)c3ccccc23)CC1.O=C(O)C(=O)O
Answer: a. Cc1nn(Cc2ccccc2Cl)c(Cl)c1C(=O)O
{#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#}
Cc1nn(Cc2ccccc2Cl)c(Cl)c1C(=O)O
Cc1nn(Cc2ccccc2Cl)c(Cl)c1C(=O)O
5-chloro-1-[(2-chlorophenyl)methyl]-3-methylpyrazole-4-carboxylic acid