Problem statement: Answer the multiple-choice question.
Query: Which compound has a 21.641\% 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 COc1ccc2c(c1)CCc1c(C(=O)N3CCCCCC3)noc1-2
b CCc1ccc(-c2nc(CN3CCCC(C(=O)O)C3)c(C)o2)cc1
c Cn1c(=O)c2c(-c3ccc(C(C)(C)C)cc3)n(N3CCOCC3)cc2n(C)c1=O
Answer: b. CCc1ccc(-c2nc(CN3CCCC(C(=O)O)C3)c(C)o2)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#}
1-[[2-(4-ethylphenyl)-5-methyl-1,3-oxazol-4-yl]methyl]piperidine-3-carboxylic acid