Task: Answer the MCQ question.
Query: Which compound exhibits a 6.226\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cn1c(SCc2ccccc2F)nc2ccccc2c1=O
b: CCOc1ccc2[nH]cc(C(=O)O)c(=O)c2c1
Answer: b. CCOc1ccc2[nH]cc(C(=O)O)c(=O)c2c1
{#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#}
CCOc1ccc2[nH]cc(C(=O)O)c(=O)c2c1
CCOc1ccc2[nH]cc(C(=O)O)c(=O)c2c1
6-ethoxy-4-oxo-1H-quinoline-3-carboxylic acid