Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.942\% 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) O=C(O)CCc1ccc(-c2ccccc2)n1-c1cccc(C(=O)O)c1
b) CC1(C)Cc2c(sc(NC(=O)c3ccco3)c2C#N)CO1
Answer: b. CC1(C)Cc2c(sc(NC(=O)c3ccco3)c2C#N)CO1
{#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#}
CC1(C)Cc2c(sc(NC(=O)c3ccco3)c2C#N)CO1
CC1(C)Cc2c(sc(NC(=O)c3ccco3)c2C#N)CO1
N-(3-cyano-5,5-dimethyl-4,7-dihydrothieno[2,3-c]pyran-2-yl)furan-2-carboxamide