Problem statement: Answer the MCQ question.
Question: Which compound has a 6.442\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(NNc1ncnc2c1cnn2-c1ccccc1)c1ccco1
b. O=C(CNC(=O)c1[nH]cnc1C(=O)NC(c1ccccc1)c1ccccc1)OCc1ccccc1
Answer: a. O=C(NNc1ncnc2c1cnn2-c1ccccc1)c1ccco1
{#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#}
O=C(NNc1ncnc2c1cnn2-c1ccccc1)c1ccco1
O=C(NNc1ncnc2c1cnn2-c1ccccc1)c1ccco1
N'-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)furan-2-carbohydrazide