Task: Answer the MCQ question.
Question: Which drug has a -0.641\% 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(=O)N1CCN(C(=O)COc2ccccc2C(=O)Nc2ccccc2)CC1
[b] O=C(CNc1cccc([N+](=O)[O-])c1)N/N=C/c1ccc(F)cc1
Answer: a. CC(=O)N1CCN(C(=O)COc2ccccc2C(=O)Nc2ccccc2)CC1
{#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(=O)N1CCN(C(=O)COc2ccccc2C(=O)Nc2ccccc2)CC1
CC(=O)N1CCN(C(=O)COc2ccccc2C(=O)Nc2ccccc2)CC1
2-[2-(4-acetylpiperazin-1-yl)-2-oxoethoxy]-N-phenylbenzamide