Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 18.456\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1cc(-c2ccccc2)c2nncn2n1
b. CC1CC(C)CN(C2CCN(Cc3cccnc3)CC2)C1.O=C(O)C(=O)O
Answer: a. Cc1cc(-c2ccccc2)c2nncn2n1
{#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#}
Cc1cc(-c2ccccc2)c2nncn2n1
Cc1cc(-c2ccccc2)c2nncn2n1
6-methyl-8-phenyl-[1,2,4]triazolo[4,3-b]pyridazine