Task: Answer the multiple choice question.
Question: Which drug exhibits a 13.285\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Cn1cccc1/C=N/N1CCN(Cc2ccccc2)CC1
b. CC(=O)Nc1ccc(C)c([N+](=O)[O-])c1
c. O=C(NCc1cccc2[nH]ccc12)C1CCC(=O)N(CCc2ccccc2)C1
Answer: b. CC(=O)Nc1ccc(C)c([N+](=O)[O-])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#}
CC(=O)Nc1ccc(C)c([N+](=O)[O-])c1
CC(=O)Nc1ccc(C)c([N+](=O)[O-])c1
N-(4-methyl-3-nitrophenyl)acetamide