Task: Answer the multiple-choice question.
Question: Which compound has a 6.594\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Nc1ccccc1C(=O)N1CCCC1
(b) CN(Cc1ccccc1)c1nc2nonc2nc1N1CCCC(CN2CCCC2=O)C1
Answer: a. Nc1ccccc1C(=O)N1CCCC1
{#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#}
Nc1ccccc1C(=O)N1CCCC1
Nc1ccccc1C(=O)N1CCCC1
(2-aminophenyl)-pyrrolidin-1-ylmethanone