Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.472\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) Brc1ccccc1-c1nnc(COc2ncnc3c2cnn3-c2ccccc2)o1
b.) O=C(Nc1ccc(OC(F)F)cc1)Nc1cccc(C(F)(F)F)c1
Answer: a. Brc1ccccc1-c1nnc(COc2ncnc3c2cnn3-c2ccccc2)o1
{#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#}
2-(2-bromophenyl)-5-[(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)oxymethyl]-1,3,4-oxadiazole