Task: Answer the MCQ question.
Question: Which compound has a -4.103\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCC(C)C(=O)Nc1ccc(F)c(Cl)c1
(b) Cn1cnc([N+](=O)[O-])c1Sc1ncnc2nc[nH]c12
Answer: a. CCCC(C)C(=O)Nc1ccc(F)c(Cl)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#}
CCCC(C)C(=O)Nc1ccc(F)c(Cl)c1
CCCC(C)C(=O)Nc1ccc(F)c(Cl)c1
N-(3-chloro-4-fluorophenyl)-2-methylpentanamide