Task: Answer the MCQ question.
Query: Which compound exhibits a -26.405% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: O=C(c1cnn(-c2ccc(Cl)cc2)c1)c1ccccc1O
b: COc1ccc(NC(=O)C2CCCN2C(=O)OCc2ccccc2)c(OC)c1
c: Cc1occc1-c1nnc(SCC(=O)Nc2nccs2)n1Cc1ccco1
d: CCC(=O)c1ccc(OCCn2cncn2)cc1
Answer: a. O=C(c1cnn(-c2ccc(Cl)cc2)c1)c1ccccc1O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(c1cnn(-c2ccc(Cl)cc2)c1)c1ccccc1O
O=C(c1cnn(-c2ccc(Cl)cc2)c1)c1ccccc1O
[1-(4-chlorophenyl)pyrazol-4-yl]-(2-hydroxyphenyl)methanone