Task: Answer the multiple choice question.
Question: Which drug has a 12.543\% 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: Cc1c(C(=O)Nc2ccc(-n3cnnn3)cc2)oc2ccccc12
b: COC(=O)CSc1nc(NC(C)C)nc(N(C)C)n1
c: CCC(CC)C(=O)Nc1ccc([N+](=O)[O-])cn1
d: Cc1ccc(Nc2ccc3nonc3c2[N+](=O)[O-])cc1
Answer: c. CCC(CC)C(=O)Nc1ccc([N+](=O)[O-])cn1
{#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#}
CCC(CC)C(=O)Nc1ccc([N+](=O)[O-])cn1
CCC(CC)C(=O)Nc1ccc([N+](=O)[O-])cn1
2-ethyl-N-(5-nitropyridin-2-yl)butanamide