Problem statement: Answer the multiple choice question.
Question: Which compound has a -4.172\% 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 COc1ccccc1-c1cc(C2CC2)nc(N)c1C#N
b COCCNC(=O)C(=O)c1cc(C)n(-c2ccc([N+](=O)[O-])cc2)c1C
c CCOc1ccc(NC(=S)NC(=O)c2c(Br)cnn2C)c([N+](=O)[O-])c1
d CC1(C)CC(=O)c2c(-c3cccs3)n[nH]c2C1
Answer: b. COCCNC(=O)C(=O)c1cc(C)n(-c2ccc([N+](=O)[O-])cc2)c1C
{#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#}
COCCNC(=O)C(=O)c1cc(C)n(-c2ccc([N+](=O)[O-])cc2)c1C
COCCNC(=O)C(=O)c1cc(C)n(-c2ccc([N+](=O)[O-])cc2)c1C
2-[2,5-dimethyl-1-(4-nitrophenyl)pyrrol-3-yl]-N-(2-methoxyethyl)-2-oxoacetamide