Task: Answer the multiple choice question.
Question: Which compound has a 17.328\% 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) CCCCCC(=O)NNC(=S)NC(=O)c1cccc([N+](=O)[O-])c1
(b) COCC(C)NC(=O)c1ccc2c(c1)S(=O)(=O)c1ccccc1C2=O
(c) N#Cc1nc(-c2ccc(Cl)cc2)oc1NCc1ccco1
Answer: a. CCCCCC(=O)NNC(=S)NC(=O)c1cccc([N+](=O)[O-])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#}
CCCCCC(=O)NNC(=S)NC(=O)c1cccc([N+](=O)[O-])c1
CCCCCC(=O)NNC(=S)NC(=O)c1cccc([N+](=O)[O-])c1
[3-[(hexanoylamino)carbamothioylcarbamoyl]phenyl]-oxido-oxoazanium