Task: Answer the multiple-choice question.
Question: Which drug has a -19.654% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC1CN(c2ccc([N+](=O)[O-])cn2)CC(C)O1
[b] CCOC(=O)Cn1cnc2c(sc3nc(C)cc(C)c32)c1=O
Answer: a. CC1CN(c2ccc([N+](=O)[O-])cn2)CC(C)O1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC1CN(c2ccc([N+](=O)[O-])cn2)CC(C)O1
CC1CN(c2ccc([N+](=O)[O-])cn2)CC(C)O1
2,6-dimethyl-4-(5-nitropyridin-2-yl)morpholine