Task: Answer the multiple-choice question.
Query: Which drug exhibits a -5.953\% 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.) COc1ccc(/C=C/C(=O)OC2CCCCC2CN(C)C)cc1.Cl
b.) CCc1c(C)c(C#N)c2nc3ccccc3n2c1Nc1c(C)n(C)n(-c2ccccc2)c1=O
Answer: b. CCc1c(C)c(C#N)c2nc3ccccc3n2c1Nc1c(C)n(C)n(-c2ccccc2)c1=O
{#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#}
CCc1c(C)c(C#N)c2nc3ccccc3n2c1Nc1c(C)n(C)n(-c2ccccc2)c1=O
CCc1c(C)c(C#N)c2nc3ccccc3n2c1Nc1c(C)n(C)n(-c2ccccc2)c1=O
1-[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)amino]-2-ethyl-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrile