Task: Answer the MCQ question.
Question: Which drug has a 17.300\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) c1cncc(-c2cccnc2)c1
b) CCOC(=O)c1ccc(NC(=O)c2ccnn2C)cc1
c) CCn1c(COc2ccc3c(c2)OCO3)nnc1SCC(=O)c1ccccc1
Answer: a. c1cncc(-c2cccnc2)c1
{#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#}
c1cncc(-c2cccnc2)c1
c1cncc(-c2cccnc2)c1
3-pyridin-3-ylpyridine