Task: Answer the MCQ question.
Query: Which compound exhibits a -5.072\% 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.) CCN1CCCC1CNC(=O)c1ccccc1Cl
b.) O=C(Oc1cccc(OC(=O)c2ccco2)c1)c1ccco1
Answer: a. CCN1CCCC1CNC(=O)c1ccccc1Cl
{#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#}
CCN1CCCC1CNC(=O)c1ccccc1Cl
CCN1CCCC1CNC(=O)c1ccccc1Cl
2-chloro-N-[(1-ethylpyrrolidin-2-yl)methyl]benzamide