Task: Answer the MCQ question.
Query: Which compound has a 19.455\% 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 O=C(Cn1ncn2nc(-c3ccccc3)cc2c1=O)NCc1ccccn1
b O=C(CSc1nc(Cc2ccccc2)nc2ccccc12)c1ccc2c(c1)OCCO2
Answer: a. O=C(Cn1ncn2nc(-c3ccccc3)cc2c1=O)NCc1ccccn1
{#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(Cn1ncn2nc(-c3ccccc3)cc2c1=O)NCc1ccccn1
O=C(Cn1ncn2nc(-c3ccccc3)cc2c1=O)NCc1ccccn1
2-(4-oxo-2-phenylpyrazolo[1,5-d][1,2,4]triazin-5-yl)-N-(pyridin-2-ylmethyl)acetamide