Problem statement: Answer the multiple-choice question.
Query: Which compound has a 20.275\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Fc1ccccc1N1CCN(Cc2cccnc2)CC1
b) Cn1cnc2c1c(=O)n(CC(O)CO)c(=O)n2C
Answer: b. Cn1cnc2c1c(=O)n(CC(O)CO)c(=O)n2C
{#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#}
Cn1cnc2c1c(=O)n(CC(O)CO)c(=O)n2C
Cn1cnc2c1c(=O)n(CC(O)CO)c(=O)n2C
1-(2,3-dihydroxypropyl)-3,7-dimethylpurine-2,6-dione