Task: Answer the MCQ question.
Question: Which compound has a 15.888\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] Cc1ccc(C(=O)NCc2ccccn2)cc1S(=O)(=O)N1CCOCC1
[b] CCCCCOC(=O)Cc1c(O)c2ccccc2[nH]c1=O
[c] O=c1[nH]c(COc2ccccc2)nc2ccccc12
Answer: b. CCCCCOC(=O)Cc1c(O)c2ccccc2[nH]c1=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#}
CCCCCOC(=O)Cc1c(O)c2ccccc2[nH]c1=O
CCCCCOC(=O)Cc1c(O)c2ccccc2[nH]c1=O
4-hydroxy-3-(2-oxo-2-pentoxyethyl)-1H-quinolin-2-one