Task: Answer the MCQ question.
Query: Which drug exhibits a 22.692\% 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. Cc1[nH]c2ccc3c(ncn3CCC#N)c2c1C
b. O=C1CC(c2ccco2)Cc2nc(NCC3CCCO3)ncc21
c. CCN(c1ccccc1)C1(O)C(=O)c2ccccc2C1=O
Answer: c. CCN(c1ccccc1)C1(O)C(=O)c2ccccc2C1=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#}
CCN(c1ccccc1)C1(O)C(=O)c2ccccc2C1=O
CCN(c1ccccc1)C1(O)C(=O)c2ccccc2C1=O
2-(N-ethylanilino)-2-hydroxyindene-1,3-dione