Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 15.819\% 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, b, c, or d without using any other words.
Options:
a: Cn1c(=O)c2c(nc3n2CC(O)CN3c2ccccc2)n(C)c1=O
b: Cn1c(CC(=O)Nc2ccccc2Cl)nnc1SCC(=O)NC1CCCCC1
c: O=C(CCCC(=O)N(CC(=O)NC1CCCC1)C1CCCC1)Nc1ccccn1
d: Cn1c(CCN2CCOCC2)nc2cc(NS(=O)(=O)c3ccccc3)ccc21
Answer: a. Cn1c(=O)c2c(nc3n2CC(O)CN3c2ccccc2)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(nc3n2CC(O)CN3c2ccccc2)n(C)c1=O
Cn1c(=O)c2c(nc3n2CC(O)CN3c2ccccc2)n(C)c1=O
7-hydroxy-1,3-dimethyl-9-phenyl-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione