Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.381\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1cccc(-n2cnnn2)c1
[b] C/C(CC(=O)Nc1ccc(Cl)cc1Cl)=N\NC(=O)c1ccco1
[c] O=C(NCc1ccccc1)N1CCn2c(nc3ccccc32)C1
Answer: a. COc1cccc(-n2cnnn2)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(-n2cnnn2)c1
COc1cccc(-n2cnnn2)c1
1-(3-methoxyphenyl)tetrazole