Task: Answer the MCQ question.
Query: Which compound has a 13.246\% 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) CCOC(=S)N/C(=N\S(C)(=O)=O)c1ccccc1
b) Cn1c(=O)[nH]c(=O)c2c1nc(N1CCCC1)n2CCO
Answer: b. Cn1c(=O)[nH]c(=O)c2c1nc(N1CCCC1)n2CCO
{#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#}
Cn1c(=O)[nH]c(=O)c2c1nc(N1CCCC1)n2CCO
Cn1c(=O)[nH]c(=O)c2c1nc(N1CCCC1)n2CCO
7-(2-hydroxyethyl)-3-methyl-8-pyrrolidin-1-ylpurine-2,6-dione