Task: Answer the multiple-choice question.
Question: Which drug has a 16.142\% 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: S=C(NCCc1ccc(Cl)cc1)NC1CCCC1
b: COC(=O)CSc1ncc(C#N)c(N)n1
Answer: a. S=C(NCCc1ccc(Cl)cc1)NC1CCCC1
{#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#}
S=C(NCCc1ccc(Cl)cc1)NC1CCCC1
S=C(NCCc1ccc(Cl)cc1)NC1CCCC1
1-[2-(4-chlorophenyl)ethyl]-3-cyclopentylthiourea