Problem statement: Answer the multiple-choice question.
Query: Which compound has a 1.619\% human ether-à-go-go related gene (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(N3CCN(c4ccccn4)CC3)n2Cc2ccc(Cl)cc2Cl)n(C)c1=O
b) CS(=O)(=O)c1sc(C#N)c2c1C(=O)CC(c1ccccc1)C2
Answer: a. Cn1c(=O)c2c(nc(N3CCN(c4ccccn4)CC3)n2Cc2ccc(Cl)cc2Cl)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#}
7-[(2,4-dichlorophenyl)methyl]-1,3-dimethyl-8-(4-pyridin-2-ylpiperazin-1-yl)purine-2,6-dione