Task: Answer the multiple choice question.
Query: Which compound has a 17.045\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCn1c(COc2ccccc2)nc2ccccc21
b: O=c1[nH]cccc1-c1nc2ccccc2n1Cc1ccc(Cl)cc1
Answer: a. CCn1c(COc2ccccc2)nc2ccccc21
{#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#}
CCn1c(COc2ccccc2)nc2ccccc21
CCn1c(COc2ccccc2)nc2ccccc21
1-ethyl-2-(phenoxymethyl)benzimidazole