Task: Answer the MCQ question.
Question: Which compound exhibits a -54.893\% 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.) COc1cccc(/C=N/NC(=O)CNC(=O)CCc2ccccc2)c1O
b.) CCCCN(C)C1=Nc2cccc3cccc1c23
Answer: b. CCCCN(C)C1=Nc2cccc3cccc1c23
{#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#}
CCCCN(C)C1=Nc2cccc3cccc1c23
CCCCN(C)C1=Nc2cccc3cccc1c23
N-butyl-N-methylbenzo[cd]indol-2-amine