Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.541\% 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] O=C(COc1ccc(C(=O)c2ccccc2)cc1)NCC(=O)Nc1ccccc1Br
[b] N#Cc1ccc(N/N=C/c2ccccc2)c([N+](=O)[O-])c1
[c] O=C(CN1CCCC1)Nc1c(Cl)cccc1Cl
[d] CCOC(=O)C1CCCN(C(=O)CC(c2ccccc2)c2ccccc2)C1
Answer: d. CCOC(=O)C1CCCN(C(=O)CC(c2ccccc2)c2ccccc2)C1
{#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#}
CCOC(=O)C1CCCN(C(=O)CC(c2ccccc2)c2ccccc2)C1
CCOC(=O)C1CCCN(C(=O)CC(c2ccccc2)c2ccccc2)C1
ethyl 1-(3,3-diphenylpropanoyl)piperidine-3-carboxylate