Task: Answer the multiple-choice question.
Query: Which compound has a 8.421\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) O=C(c1ccc(NS(=O)(=O)c2ccc(F)cc2)cc1)N1CCC1
b.) CCn1nc(C)c(CCC(=O)O)c1C
c.) Cc1c(N/C(=N/S(=O)(=O)c2cc([N+](=O)[O-])ccc2Cl)c2ccccc2)c(=O)n(-c2ccccc2)n1C
Answer: b. CCn1nc(C)c(CCC(=O)O)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#}
CCn1nc(C)c(CCC(=O)O)c1C
CCn1nc(C)c(CCC(=O)O)c1C
3-(1-ethyl-3,5-dimethylpyrazol-4-yl)propanoic acid