Problem statement: Answer the multiple-choice question.
Question: Which compound has a 5.050\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(OCC(=O)N1CCCCC1)c1ccc2c(c1)C(=O)N(Cc1ccco1)C2=O
[b] O=C(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1
Answer: b. O=C(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1
{#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(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1
O=C(Cn1cnc([N+](=O)[O-])c1)c1ccc(Cl)cc1
1-(4-chlorophenyl)-2-(4-nitroimidazol-1-yl)ethanone