Task: Answer the multiple choice question.
Query: Which drug exhibits a -18.287% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. Cc1ccc(C(=O)COc2ccccc2C(=O)Nc2ccccc2)cc1
b. CCCCc1ccc(-c2ccc(C)cc2O)nc1
c. COc1cc2cc(CN(CCc3ccccc3C)C(=S)NCCCN3CCOCC3)c(=O)[nH]c2cc1OC
d. CC(C)COn1c(=S)[nH]c2ccccc2c1=O
e. Cc1nn(CC(=O)N2CCCC2)c(=O)c2nn(-c3ccccc3)c(C)c12
Answer: b. CCCCc1ccc(-c2ccc(C)cc2O)nc1
{#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#}
CCCCc1ccc(-c2ccc(C)cc2O)nc1
CCCCc1ccc(-c2ccc(C)cc2O)nc1
2-(5-butylpyridin-2-yl)-5-methylphenol