Task: Answer the multiple choice question.
Question: Which compound has a 1.369\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CC(=O)c1ccc(NC(=O)Nc2ccc([N+](=O)[O-])cc2C)cc1
b. COc1ccc(OC)c(Nc2cc(-c3ccccc3)nc(N)n2)c1
c. CCN(CCCNC(=O)C1CCN(S(=O)(=O)c2c(C)[nH]c(=O)[nH]c2=O)CC1)c1cccc(C)c1
d. Cc1cccc(C)c1NC(=O)c1ccc(-c2ccc(Cl)cc2Cl)o1
Answer: a. CC(=O)c1ccc(NC(=O)Nc2ccc([N+](=O)[O-])cc2C)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#}
1-(4-acetylphenyl)-3-(2-methyl-4-nitrophenyl)urea