Task: Answer the multiple-choice question.
Question: Which compound has a 12.134\% 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.) CC1N/C(=C\C(=O)c2ccccc2)N(O)C1(C)C
b.) Cc1ccc(C(=O)NCC(=O)NCC(=O)OCC(=O)c2ccc(F)cc2)cc1
Answer: a. CC1N/C(=C\C(=O)c2ccccc2)N(O)C1(C)C
{#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#}
CC1N/C(=C\C(=O)c2ccccc2)N(O)C1(C)C
CC1N/C(=C\C(=O)c2ccccc2)N(O)C1(C)C
(2E)-2-(1-hydroxy-4,5,5-trimethylimidazolidin-2-ylidene)-1-phenylethanone