Task: Answer the MCQ question.
Query: Which drug exhibits a 20.781% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccccc1CN1C(=O)[C@H]2Cc3c([nH]c4ccccc34)C(C)(C)N2C1=O
[b] CN(N)C(=S)Nc1ccc(F)cc1
Answer: b. CN(N)C(=S)Nc1ccc(F)cc1
{#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#}
CN(N)C(=S)Nc1ccc(F)cc1
CN(N)C(=S)Nc1ccc(F)cc1
1-amino-3-(4-fluorophenyl)-1-methylthiourea