Task: Answer the multiple choice question.
Query: Which compound exhibits a 5.093\% 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: Cn1c(SCC(=O)NCc2ccc3c(c2)OCO3)nnc1C1COc2ccccc2O1
b: O=C1CC(c2cccnc2)c2cc3c(cc2N1)OCCO3
c: CCCC(C)n1[nH]c(=O)cc1N
Answer: c. CCCC(C)n1[nH]c(=O)cc1N
{#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#}
CCCC(C)n1[nH]c(=O)cc1N
CCCC(C)n1[nH]c(=O)cc1N
3-amino-2-pentan-2-yl-1H-pyrazol-5-one