Task: Answer the multiple choice question.
Question: Which compound has a 19.455\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1cccc(/C=C2\CCc3ccccc3C2=O)c1
[b] CC(C)(C)n1nc2c(c1NC(=O)CCCc1ccccc1)CS(=O)C2
Answer: a. COc1cccc(/C=C2\CCc3ccccc3C2=O)c1
{#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#}
COc1cccc(/C=C2\CCc3ccccc3C2=O)c1
COc1cccc(/C=C2\CCc3ccccc3C2=O)c1
(2E)-2-[(5-methoxyphenyl)methylidene]-3,4-dihydronaphthalen-1-one