Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.681\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccc(/C=C/C(=O)c2cc(Cl)ccc2O)c(OC)c1
b) CC(Nc1cc(N2CCOCC2)ccc1[N+](=O)[O-])c1ccccc1
Answer: b. CC(Nc1cc(N2CCOCC2)ccc1[N+](=O)[O-])c1ccccc1
{#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(Nc1cc(N2CCOCC2)ccc1[N+](=O)[O-])c1ccccc1
CC(Nc1cc(N2CCOCC2)ccc1[N+](=O)[O-])c1ccccc1
5-morpholin-4-yl-2-nitro-N-(1-phenylethyl)aniline