Problem statement: Answer the MCQ question.
Question: Which compound has a -0.637\% 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) CCCC(=O)c1cc(F)c(N2CCOCC2)cc1C
(b) CCOC(=O)/C=c1\s/c(=C\c2ccc(-c3ccccc3)cc2)c(=O)n1CC(=O)NCc1ccc2c(c1)OCO2
Answer: a. CCCC(=O)c1cc(F)c(N2CCOCC2)cc1C
{#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#}
CCCC(=O)c1cc(F)c(N2CCOCC2)cc1C
CCCC(=O)c1cc(F)c(N2CCOCC2)cc1C
1-(5-fluoro-2-methyl-4-morpholin-4-ylphenyl)butan-1-one