Problem statement: Answer the MCQ question.
Query: Which drug has a -0.139\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccccc1N(CC(=O)NCCSCc1ccc(C)cc1)S(=O)(=O)c1ccccc1
b: Cn1c(=O)[nH]c(=O)c2c1nc(CN1CCN(c3ccc(F)cc3)CC1)n2CCN1CCOCC1
Answer: b. Cn1c(=O)[nH]c(=O)c2c1nc(CN1CCN(c3ccc(F)cc3)CC1)n2CCN1CCOCC1
{#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-[[4-(4-fluorophenyl)piperazin-1-yl]methyl]-3-methyl-7-(2-morpholin-4-ylethyl)purine-2,6-dione