Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 18.723\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C=CCC(=O)OCC(=O)Nc1ccc(Cl)cn1
b: CN(Cc1ccccc1)Cc1nc2scc(-c3ccccc3)c2c(=O)[nH]1
Answer: b. CN(Cc1ccccc1)Cc1nc2scc(-c3ccccc3)c2c(=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_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#}
CN(Cc1ccccc1)Cc1nc2scc(-c3ccccc3)c2c(=O)[nH]1
CN(Cc1ccccc1)Cc1nc2scc(-c3ccccc3)c2c(=O)[nH]1
2-[[benzyl(methyl)amino]methyl]-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one