Task: Answer the MCQ question.
Query: Which compound exhibits a 1.591\% 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.) Cn1c(=O)c2c(nc(CN3CCc4ccccc4C3)n2Cc2ccccc2F)n(C)c1=O
b.) Cc1c(Cl)cccc1NC(=S)N=Nc1c(O)n(CN2CCOCC2)c2ccccc12
Answer: a. Cn1c(=O)c2c(nc(CN3CCc4ccccc4C3)n2Cc2ccccc2F)n(C)c1=O
{#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#}
Cn1c(=O)c2c(nc(CN3CCc4ccccc4C3)n2Cc2ccccc2F)n(C)c1=O
Cn1c(=O)c2c(nc(CN3CCc4ccccc4C3)n2Cc2ccccc2F)n(C)c1=O
8-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-7-[(2-fluorophenyl)methyl]-1,3-dimethylpurine-2,6-dione