Task: Answer the multiple choice question.
Query: Which compound has a -81.635\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CC(=O)N1CCN(c2ccccc2NC(=O)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)CC1
b. COc1ccc2cc(C(=O)/C=C/c3cc(OC)c(O)c(OC)c3)ccc2c1
c. COc1cc2[nH]c(C(=O)NCC3CCCO3)cc2c(OC)c1OC
d. Cc1cccc2cc(/C=N/NC(=O)c3ccncc3)c(Cl)nc12
Answer: a. CC(=O)N1CCN(c2ccccc2NC(=O)c2ccc(-c3cccc([N+](=O)[O-])c3)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(=O)N1CCN(c2ccccc2NC(=O)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)CC1
CC(=O)N1CCN(c2ccccc2NC(=O)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)CC1
N-[2-(4-acetylpiperazin-1-yl)phenyl]-5-(3-nitrophenyl)furan-2-carboxamide