Task: Answer the multiple-choice question.
Question: Which drug exhibits a 0.364\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CC(CCc1ccccc1)NC(=O)C(=O)NCCO
b: COc1cccc(C2=NOC(C(=O)NC(C)C)C2)c1
Answer: a. CC(CCc1ccccc1)NC(=O)C(=O)NCCO
{#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#}
CC(CCc1ccccc1)NC(=O)C(=O)NCCO
CC(CCc1ccccc1)NC(=O)C(=O)NCCO
N-(2-hydroxyethyl)-N'-(4-phenylbutan-2-yl)oxamide