Problem statement: Answer the multiple-choice question.
Question: Which compound has a -1.488\% 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 additional words.
Options:
a. c1ccc(-c2ccc(-c3nc(-c4ccccn4)no3)cc2)cc1
b. N#CCCn1nc(-c2ccccc2)c2ccccc2c1=O
c. CCOc1ccc(Br)cc1S(=O)(=O)NC1CC(C)(C)NC(C)(C)C1
d. CCCn1c(CCc2ccccc2)nnc1SCC(=O)N1CCOCC1
Answer: b. N#CCCn1nc(-c2ccccc2)c2ccccc2c1=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#}
N#CCCn1nc(-c2ccccc2)c2ccccc2c1=O
N#CCCn1nc(-c2ccccc2)c2ccccc2c1=O
3-(1-oxo-4-phenylphthalazin-2-yl)propanenitrile