Task: Answer the multiple choice question.
Query: Which compound has a 8.433\% 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. CCOc1ccc(-c2cc(N)n(S(=O)(=O)c3ccc(OC)cc3)n2)cc1
b. CCC(C)n1c(O)c(C=NCc2cccnc2)c(=O)[nH]c1=S
Answer: b. CCC(C)n1c(O)c(C=NCc2cccnc2)c(=O)[nH]c1=S
{#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#}
CCC(C)n1c(O)c(C=NCc2cccnc2)c(=O)[nH]c1=S
CCC(C)n1c(O)c(C=NCc2cccnc2)c(=O)[nH]c1=S
1-butan-2-yl-6-hydroxy-5-(pyridin-3-ylmethyliminomethyl)-2-sulfanylidenepyrimidin-4-one