Task: Answer the multiple-choice question.
Question: Which compound has a 7.776\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOc1ccc(OCCNC(=O)C(NC(=O)c2c(F)cccc2F)C(C)C)cc1
b. CCc1c(C)sc(NC(=O)c2cnn3cccnc23)c1C#N
Answer: b. CCc1c(C)sc(NC(=O)c2cnn3cccnc23)c1C#N
{#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#}
CCc1c(C)sc(NC(=O)c2cnn3cccnc23)c1C#N
CCc1c(C)sc(NC(=O)c2cnn3cccnc23)c1C#N
N-(3-cyano-4-ethyl-5-methylthiophen-2-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide