Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -1.651\% human ether-à-go-go related gene (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: COc1ccc(N2CCN(C(=O)CN(CCc3ccccc3)S(C)(=O)=O)CC2)cc1
b: Cc1cc(C)c(C(=O)Cn2nc(C)c([N+](=O)[O-])c2C)cc1C
c: CCCc1cc(=O)[nH]c(SCC(=O)Nc2nonc2C)n1
d: CCOc1ccc(OCCOCCOc2c(Cl)cccc2Cl)cc1
Answer: b. Cc1cc(C)c(C(=O)Cn2nc(C)c([N+](=O)[O-])c2C)cc1C
{#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#}
Cc1cc(C)c(C(=O)Cn2nc(C)c([N+](=O)[O-])c2C)cc1C
Cc1cc(C)c(C(=O)Cn2nc(C)c([N+](=O)[O-])c2C)cc1C
2-(3,5-dimethyl-4-nitropyrazol-1-yl)-1-(2,4,5-trimethylphenyl)ethanone