Task: Answer the MCQ question.
Query: Which drug has a 12.456\% 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 CCOc1ccc(N=Cc2c(O)n(Cc3ccccc3)c(=S)[nH]c2=O)cc1
b COc1ccc(NC(=O)C(OC(=O)c2cnccn2)c2ccccc2)cc1Cl
Answer: a. CCOc1ccc(N=Cc2c(O)n(Cc3ccccc3)c(=S)[nH]c2=O)cc1
{#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#}
CCOc1ccc(N=Cc2c(O)n(Cc3ccccc3)c(=S)[nH]c2=O)cc1
CCOc1ccc(N=Cc2c(O)n(Cc3ccccc3)c(=S)[nH]c2=O)cc1
1-benzyl-5-[(4-ethoxyphenyl)iminomethyl]-6-hydroxy-2-sulfanylidenepyrimidin-4-one