Task: Answer the MCQ question.
Query: Which drug has a 13.333\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccc(Nc2nc(N)c3ccccc3n2)c(OC)c1.Cl
b. CCOC(=O)Cn1c(N2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
c. COc1ccccc1/C=N/NC(=O)CNC(=O)c1ccc(S(=O)(=O)N2CCCC2)cc1
Answer: b. CCOC(=O)Cn1c(N2CCOCC2)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_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#}
CCOC(=O)Cn1c(N2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
CCOC(=O)Cn1c(N2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
ethyl 2-(3-methyl-8-morpholin-4-yl-2,6-dioxopurin-7-yl)acetate