Task: Answer the MCQ question.
Query: Which drug has a 2.083\% 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 or b without using any other words.
Options:
[a] COc1cc(C(=O)NCCC(C)C)c([N+](=O)[O-])cc1OC
[b] COc1ccc(/C=N/NC(=O)c2cnccn2)cc1O
Answer: a. COc1cc(C(=O)NCCC(C)C)c([N+](=O)[O-])cc1OC
{#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#}
4,5-dimethoxy-N-(3-methylbutyl)-2-nitrobenzamide