Problem statement: Answer the multiple choice question.
Question: Which drug has a 23.396\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Cn1nnnc1SCc1ccc(Cl)cc1
b. CN(Cc1ccccc1)C(=O)c1nc2ccccn2c1CN1CCc2sccc2C1
c. CCOc1ccc(-c2cccc(NS(=O)(=O)c3cc([N+](=O)[O-])ccc3Cl)c2)nn1
Answer: a. Cn1nnnc1SCc1ccc(Cl)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#}
Cn1nnnc1SCc1ccc(Cl)cc1
Cn1nnnc1SCc1ccc(Cl)cc1
5-[(4-chlorophenyl)methylsulfanyl]-1-methyltetrazole