Task: Answer the multiple choice question.
Question: Which compound exhibits a 8.699\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCCCN1C(=O)C(O)(CC(=O)c2c(C)n[nH]c2C)c2cc(Br)ccc21
b: Cc1ccc(S(=O)(=O)N[C@@H](CCCCN)C(=O)CCl)cc1.Cl
Answer: a. CCCCN1C(=O)C(O)(CC(=O)c2c(C)n[nH]c2C)c2cc(Br)ccc21
{#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#}
CCCCN1C(=O)C(O)(CC(=O)c2c(C)n[nH]c2C)c2cc(Br)ccc21
CCCCN1C(=O)C(O)(CC(=O)c2c(C)n[nH]c2C)c2cc(Br)ccc21
5-bromo-1-butyl-3-[2-(3,5-dimethyl-1H-pyrazol-4-yl)-2-oxoethyl]-3-hydroxyindol-2-one