Task: Answer the multiple choice question.
Question: Which drug exhibits a -1.991\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cc1ccc(C#N)c(SCCN2CCCCC2)n1
b: CN(C)N1C(N)=C(C#N)C(c2ccccc2)C2=C1CC(C)(C)CC2=O
c: CN1CCN(C2CCN(c3cccc(Cl)c3)CC2)CC1CCO
d: O=C(N/C(=C/c1ccc(Br)cc1)C(=O)N1CCCC1)c1cccs1
Answer: a. Cc1ccc(C#N)c(SCCN2CCCCC2)n1
{#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#}
Cc1ccc(C#N)c(SCCN2CCCCC2)n1
Cc1ccc(C#N)c(SCCN2CCCCC2)n1
6-methyl-2-(2-piperidin-1-ylethylsulfanyl)pyridine-3-carbonitrile