Task: Answer the multiple choice question.
Query: Which drug has a -21.269% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Fc1cccc(NC(=S)Nc2cccc3ccccc23)c1
b CCOc1ccc(S(=O)(=O)NC2CCCC2)cc1
Answer: a. Fc1cccc(NC(=S)Nc2cccc3ccccc23)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Fc1cccc(NC(=S)Nc2cccc3ccccc23)c1
Fc1cccc(NC(=S)Nc2cccc3ccccc23)c1
1-(5-fluorophenyl)-3-naphthalen-1-ylthiourea