Task: Answer the multiple choice question.
Question: Which compound has a 5.572\% 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. Cn1c(=O)n(C)c2cc(N3CCCCC3)c(NC(=O)c3cccc(Cl)c3)cc21
b. CC(=O)NCCc1nc2ccccc2n1CCOc1cccc(C)c1
Answer: b. CC(=O)NCCc1nc2ccccc2n1CCOc1cccc(C)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#}
CC(=O)NCCc1nc2ccccc2n1CCOc1cccc(C)c1
CC(=O)NCCc1nc2ccccc2n1CCOc1cccc(C)c1
N-[2-[1-[2-(3-methylphenoxy)ethyl]benzimidazol-2-yl]ethyl]acetamide