Problem statement: Answer the multiple-choice question.
Question: Which drug has a -3.667\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCCCNc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1cccc(OC)c1
b) Br.CCCCCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
c) Cc1nc(NC(=O)c2ccc3c(c2)OCO3)ccc1Br
Answer: a. CCCCNc1nc2c(c(=O)n(C)c(=O)n2C)n1Cc1cccc(OC)c1
{#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#}
8-(butylamino)-7-[(3-methoxyphenyl)methyl]-1,3-dimethylpurine-2,6-dione