Task: Answer the MCQ question.
Question: Which drug exhibits a 2.621\% 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 Cn1ncc(C#N)c1NC(=O)C1CC(c2ccccc2Cl)=NO1
b CC1C2CC(C(S(=O)(=O)N3CCOCC3)C2=O)C1(C)C
Answer: b. CC1C2CC(C(S(=O)(=O)N3CCOCC3)C2=O)C1(C)C
{#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#}
CC1C2CC(C(S(=O)(=O)N3CCOCC3)C2=O)C1(C)C
CC1C2CC(C(S(=O)(=O)N3CCOCC3)C2=O)C1(C)C
5,5,6-trimethyl-3-morpholin-4-ylsulfonylbicyclo[2.2.1]heptan-2-one