Task: Answer the multiple-choice question.
Question: Which drug exhibits a 7.163\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1nc2c(c(=O)c3ccccc3n2C)c(=O)n1C1CCCCCC1
b: CCCc1cc(=O)[nH]c(SCC(=O)Nc2ccc([N+](=O)[O-])cc2C#N)n1
Answer: b. CCCc1cc(=O)[nH]c(SCC(=O)Nc2ccc([N+](=O)[O-])cc2C#N)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#}
CCCc1cc(=O)[nH]c(SCC(=O)Nc2ccc([N+](=O)[O-])cc2C#N)n1
CCCc1cc(=O)[nH]c(SCC(=O)Nc2ccc([N+](=O)[O-])cc2C#N)n1
N-(2-cyano-4-nitrophenyl)-2-[(6-oxo-4-propyl-1H-pyrimidin-2-yl)sulfanyl]acetamide