Task: Answer the MCQ question.
Query: Which compound has a 0.259\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOC(=O)c1cc2c(ccn2C)n1CC(=O)N1CCN(c2ccccc2)CC1
[b] CCCCOC(=O)Nc1cccc(C(C)=O)c1
Answer: b. CCCCOC(=O)Nc1cccc(C(C)=O)c1
{#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#}
CCCCOC(=O)Nc1cccc(C(C)=O)c1
CCCCOC(=O)Nc1cccc(C(C)=O)c1
[C][C][C][C][O][C][=Branch1][C][=O][N][C][=C][C][=C][C][Branch1][=Branch1][C][Branch1][C][C][=O][=C][Ring1][=Branch2]
butyl N-(3-acetylphenyl)carbamate