Problem statement: Answer the MCQ question.
Question: Which compound has a -4.143\% 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) COC(=O)c1ccccc1NC(=O)c1cc[n+](C)cc1
(b) CCC(C)(C)C(=O)Nc1cc([N+](=O)[O-])ccc1Cl
Answer: b. CCC(C)(C)C(=O)Nc1cc([N+](=O)[O-])ccc1Cl
{#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(C)(C)C(=O)Nc1cc([N+](=O)[O-])ccc1Cl
CCC(C)(C)C(=O)Nc1cc([N+](=O)[O-])ccc1Cl
N-(2-chloro-5-nitrophenyl)-2,2-dimethylbutanamide