Task: Answer the MCQ question.
Question: Which compound has a 8.404\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1c(C(=O)NCc2ccccn2)oc2ccc(Br)cc12
(b) CCCCOc1ccc(/C=C(\C#N)C(=O)NC2CC2)cc1
Answer: b. CCCCOc1ccc(/C=C(\C#N)C(=O)NC2CC2)cc1
{#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#}
CCCCOc1ccc(/C=C(\C#N)C(=O)NC2CC2)cc1
CCCCOc1ccc(/C=C(\C#N)C(=O)NC2CC2)cc1
(E)-3-(4-butoxyphenyl)-2-cyano-N-cyclopropylprop-2-enamide