Task: Answer the multiple-choice question.
Question: Which drug exhibits a -1.472\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1ccc(-c2c(C)c(-c3ccc(F)cc3)nc(N)c2C#N)o1
b: CC(Sc1ncccn1)C(=O)NC1CCCC1
Answer: a. Cc1ccc(-c2c(C)c(-c3ccc(F)cc3)nc(N)c2C#N)o1
{#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(-c2c(C)c(-c3ccc(F)cc3)nc(N)c2C#N)o1
Cc1ccc(-c2c(C)c(-c3ccc(F)cc3)nc(N)c2C#N)o1
2-amino-6-(4-fluorophenyl)-5-methyl-4-(5-methylfuran-2-yl)pyridine-3-carbonitrile