Task: Answer the multiple-choice question.
Question: Which drug exhibits a -3.837\% 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. Cc1ccc(-c2nc3n(n2)Cc2ccccc2-3)cc1
b. COc1cccc(OCc2cc(C(=O)N3CCN(C(C)=O)CC3)no2)c1
Answer: a. Cc1ccc(-c2nc3n(n2)Cc2ccccc2-3)cc1
{#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#}
Cc1ccc(-c2nc3n(n2)Cc2ccccc2-3)cc1
Cc1ccc(-c2nc3n(n2)Cc2ccccc2-3)cc1
2-(4-methylphenyl)-5H-[1,2,4]triazolo[5,1-a]isoindole