Task: Answer the MCQ question.
Question: Which drug has a -8.219% 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 additional words.
Options:
a. CCOC(=O)Cn1c(CN(Cc2ccccc2)Cc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
b. Cc1cc(C)c(OCCNC(=O)c2ccccc2Sc2ccccc2C#N)c(C)c1
c. Cc1ccc(N/C(=N/P(=O)(N2CCOCC2)N2CCOCC2)N2CCOCC2)cc1
d. COc1ccc(N2CCN(c3ccc(NC(=O)NN)cc3)CC2)cc1
Answer: a. CCOC(=O)Cn1c(CN(Cc2ccccc2)Cc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
{#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#}
CCOC(=O)Cn1c(CN(Cc2ccccc2)Cc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
CCOC(=O)Cn1c(CN(Cc2ccccc2)Cc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
ethyl 2-[8-[(dibenzylamino)methyl]-3-methyl-2,6-dioxopurin-7-yl]acetate