Task: Answer the MCQ question.
Query: Which compound has a 20.168\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCN(c1ccccc1)S(=O)(=O)c1cc(C(=O)Nc2cccc(Cl)c2)ccc1F
[b] CCOC(=O)c1sc(=NC(=O)c2c(F)cccc2F)n(C)c1C
Answer: a. CCN(c1ccccc1)S(=O)(=O)c1cc(C(=O)Nc2cccc(Cl)c2)ccc1F
{#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#}
CCN(c1ccccc1)S(=O)(=O)c1cc(C(=O)Nc2cccc(Cl)c2)ccc1F
CCN(c1ccccc1)S(=O)(=O)c1cc(C(=O)Nc2cccc(Cl)c2)ccc1F
N-(3-chlorophenyl)-3-[ethyl(phenyl)sulfamoyl]-4-fluorobenzamide