Problem statement: Answer the MCQ question.
Question: Which compound has a 23.928\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(CCCn1cnc([N+](=O)[O-])n1)Nc1cccc2ccccc12
b Cc1cc(NCc2cccnc2)nc(N)n1
c CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccc1F)n2Cc1ccccc1OC
d O=C(NCc1cccs1)C1CCN(c2nc3ccccc3o2)CC1
Answer: c. CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccc1F)n2Cc1ccccc1OC
{#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#}
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccc1F)n2Cc1ccccc1OC
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccc1F)n2Cc1ccccc1OC
3-butyl-8-(2-fluorophenyl)-7-[(6-methoxyphenyl)methyl]purine-2,6-dione