Task: Answer the MCQ question.
Query: Which compound exhibits a -5.694\% 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] CCN1CCCC1CNC(=O)C(=O)Nc1ccccc1OC
[b] CNC(=O)CN(C)S(=O)(=O)c1ccc(OC)c(Cl)c1
Answer: a. CCN1CCCC1CNC(=O)C(=O)Nc1ccccc1OC
{#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#}
N-[(1-ethylpyrrolidin-2-yl)methyl]-N'-(2-methoxyphenyl)oxamide