Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.378\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCc1nc(NCC(C)C)c(C#N)c2c1COC(C)(C)C2
b Cc1cccc(Nc2cc(C)nc3ccccc23)c1.Cl
Answer: a. CCc1nc(NCC(C)C)c(C#N)c2c1COC(C)(C)C2
{#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#}
CCc1nc(NCC(C)C)c(C#N)c2c1COC(C)(C)C2
CCc1nc(NCC(C)C)c(C#N)c2c1COC(C)(C)C2
8-ethyl-3,3-dimethyl-6-(2-methylpropylamino)-1,4-dihydropyrano[3,4-c]pyridine-5-carbonitrile