Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 18.717\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CC(C)(C)C(=O)NNC(=O)CCCOc1ccc(Cl)cc1Cl
b. Cn1c(=O)c2c([nH]c(=O)n2C)n(C)c1=O
c. O=C(NCC1CCCO1)c1ccc2nc(N3CCCCC3)sc2c1
Answer: b. Cn1c(=O)c2c([nH]c(=O)n2C)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#}
1,3,7-trimethyl-9H-purine-2,6,8-trione