Task: Answer the multiple choice question.
Query: Which compound exhibits a 2.067\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC(C)CCOc1ccc(C2CC(=O)N(C)C2=O)cc1
b O=[As](O)(c1cccc(O)c1)c1cccc(O)c1
Answer: a. CC(C)CCOc1ccc(C2CC(=O)N(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#}
CC(C)CCOc1ccc(C2CC(=O)N(C)C2=O)cc1
CC(C)CCOc1ccc(C2CC(=O)N(C)C2=O)cc1
1-methyl-3-[4-(3-methylbutoxy)phenyl]pyrrolidine-2,5-dione