Task: Answer the multiple choice question.
Query: Which compound exhibits a 7.929\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1cccc(C#N)c1
[b] CCOC(=O)c1c(C)c(-c2ccccc2)n(CC(=O)N2CCCC2)c1C
Answer: b. CCOC(=O)c1c(C)c(-c2ccccc2)n(CC(=O)N2CCCC2)c1C
{#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#}
ethyl 2,4-dimethyl-1-(2-oxo-2-pyrrolidin-1-ylethyl)-5-phenylpyrrole-3-carboxylate