Task: Answer the MCQ question.
Question: Which drug has a 5.755\% 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 other words.
Options:
a.) Cc1onc(-c2ccccc2)c1C(=O)c1ccccc1
b.) O=C(c1cccc(C(F)(F)F)c1)C1CCCN(C(=O)Cn2cncn2)C1
c.) CSc1nc2ccccn2c(=O)c1C#N
Answer: c. CSc1nc2ccccn2c(=O)c1C#N
{#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#}
CSc1nc2ccccn2c(=O)c1C#N
CSc1nc2ccccn2c(=O)c1C#N
2-methylsulfanyl-4-oxopyrido[1,2-a]pyrimidine-3-carbonitrile