Task: Answer the MCQ question.
Query: Which compound has a 13.203\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCNC(=O)NS(=O)(=O)c1cnccc1Sc1ccc(Cl)cc1
(b) CCOC(=O)c1ccccc1N1C(=O)CSC1=S
Answer: a. CCCCNC(=O)NS(=O)(=O)c1cnccc1Sc1ccc(Cl)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#}
CCCCNC(=O)NS(=O)(=O)c1cnccc1Sc1ccc(Cl)cc1
CCCCNC(=O)NS(=O)(=O)c1cnccc1Sc1ccc(Cl)cc1
1-butyl-3-[4-(4-chlorophenyl)sulfanylpyridin-3-yl]sulfonylurea