Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.660\% human ether-à-go-go related gene (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: Cc1noc(C)c1S(=O)(=O)N1CCC(C(=O)N2CCN(C(=O)c3ccco3)CC2)CC1
b: CCCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
c: CCSc1nc2cc(OC)c(OC)cc2c(=O)n1CCc1ccccc1
d: COC(=O)c1cc(-c2ccccc2)n[nH]1
Answer: b. CCCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)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#}
CCCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
CCCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
N-[3-(butanoylamino)phenyl]-4-methyl-3-nitrobenzamide