Problem statement: Answer the MCQ question.
Query: Which compound has a 16.912\% 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] COc1ccc2[nH]c(C)cc(=O)c2c1
[b] O=c1[nH]c2c(oc3ccccc32)c(=O)n1Cc1ccccc1
Answer: a. COc1ccc2[nH]c(C)cc(=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#}
COc1ccc2[nH]c(C)cc(=O)c2c1
COc1ccc2[nH]c(C)cc(=O)c2c1
6-methoxy-2-methyl-1H-quinolin-4-one