Task: Answer the multiple-choice question.
Question: Which compound exhibits a -23.533\% human ether-à-go-go related gene (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] Cc1n[nH]c(C)c1CCNCc1ccc(OCC(O)CN2CCCCC2)cc1
[b] CC(C)C(=O)N1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])o2)CC1
Answer: b. CC(C)C(=O)N1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])o2)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(C)C(=O)N1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])o2)CC1
CC(C)C(=O)N1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])o2)CC1
N-[2-[4-(2-methylpropanoyl)piperazin-1-yl]phenyl]-5-nitrofuran-2-carboxamide