Task: Answer the multiple-choice question.
Question: Which compound exhibits a -13.568\% 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 additional words.
Options:
a: Cc1cccc(CN2CCN(Cc3cccc(-n4cccn4)c3)CC2CCO)n1
b: O=C(NNC(=O)C1CCCN(c2ncccn2)C1)c1ccncc1
Answer: a. Cc1cccc(CN2CCN(Cc3cccc(-n4cccn4)c3)CC2CCO)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#}
Cc1cccc(CN2CCN(Cc3cccc(-n4cccn4)c3)CC2CCO)n1
Cc1cccc(CN2CCN(Cc3cccc(-n4cccn4)c3)CC2CCO)n1
2-[1-[(6-methylpyridin-2-yl)methyl]-4-[(3-pyrazol-1-ylphenyl)methyl]piperazin-2-yl]ethanol