Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 5.019\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Cn1c(N)c(C(=O)COC(=O)CCCc2c[nH]c3ccccc23)c(=O)n(C)c1=O
b O=C(COC(=O)c1cc[n+]([O-])cc1)Nc1ccc([N+](=O)[O-])cc1Cl
c CCOc1ccc(CNS(=O)(=O)c2c(C(=O)N3CCCC3)c(C)n(C)c2C)cc1OC
Answer: b. O=C(COC(=O)c1cc[n+]([O-])cc1)Nc1ccc([N+](=O)[O-])cc1Cl
{#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#}
O=C(COC(=O)c1cc[n+]([O-])cc1)Nc1ccc([N+](=O)[O-])cc1Cl
O=C(COC(=O)c1cc[n+]([O-])cc1)Nc1ccc([N+](=O)[O-])cc1Cl
[2-(2-chloro-4-nitroanilino)-2-oxoethyl]1-oxidopyridin-1-ium-4-carboxylate