Task: Answer the MCQ question.
Question: Which drug exhibits a 5.221% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCCc1nc2nc(C)c(NS(=O)(=O)c3ccc(F)cc3)c(=O)n2[nH]1
b. CCc1nc2c(oc3ccccc32)c(=O)[nH]1
Answer: b. CCc1nc2c(oc3ccccc32)c(=O)[nH]1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCc1nc2c(oc3ccccc32)c(=O)[nH]1
CCc1nc2c(oc3ccccc32)c(=O)[nH]1
2-ethyl-3H-[1]benzofuro[3,2-d]pyrimidin-4-one