Task: Answer the MCQ question.
Query: Which compound has a 1.527\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(N2C(=O)CSC23C(=O)N2CCCc4cccc3c42)cc1
b. CCOC(=O)c1ccc(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)cc1
Answer: b. CCOC(=O)c1ccc(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)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#}
ethyl 4-[[2-[3-(2-methylpropyl)-2,4,5-trioxoimidazolidin-1-yl]acetyl]amino]benzoate