Task: Answer the multiple choice question.
Query: Which compound exhibits a 9.890\% 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 COc1ccccc1NC(=S)NCc1ccccc1
b Cc1cc(-c2csc(NC(=O)c3ccc(S(=O)(=O)N(C)C)cc3)n2)c(C)n1-c1ccccc1
Answer: a. COc1ccccc1NC(=S)NCc1ccccc1
{#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#}
COc1ccccc1NC(=S)NCc1ccccc1
COc1ccccc1NC(=S)NCc1ccccc1
1-benzyl-3-(2-methoxyphenyl)thiourea