Task: Answer the MCQ question.
Query: Which compound exhibits a 21.155% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1ccc(-c2nc3c(c(=O)[nH]c(=O)n3Cc3ccccc3)n2CCO)cc1
b: c1ccc2c(c1)Oc1ccccc1S2
c: O=C(Cn1ccc([N+](=O)[O-])n1)N1CCc2ccccc2C1
d: O=C1c2c(O)cccc2Cc2cccc(O)c21
Answer: a. COc1ccc(-c2nc3c(c(=O)[nH]c(=O)n3Cc3ccccc3)n2CCO)cc1
{#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#}
COc1ccc(-c2nc3c(c(=O)[nH]c(=O)n3Cc3ccccc3)n2CCO)cc1
COc1ccc(-c2nc3c(c(=O)[nH]c(=O)n3Cc3ccccc3)n2CCO)cc1
3-benzyl-7-(2-hydroxyethyl)-8-(4-methoxyphenyl)purine-2,6-dione