Task: Answer the MCQ question.
Query: Which compound has a -8.500\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(O)c1cc(=O)c2ccccc2[nH]1
[b] N#CCCSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
[c] C=CCOc1ccccc1/C=C/C(=O)O
Answer: c. C=CCOc1ccccc1/C=C/C(=O)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#}
C=CCOc1ccccc1/C=C/C(=O)O
C=CCOc1ccccc1/C=C/C(=O)O
(E)-3-(2-prop-2-enoxyphenyl)prop-2-enoic acid