Problem statement: Answer the multiple-choice question.
Question: Which drug has a 18.666% 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. CCOC(=O)CNC(=O)Cn1c(C)cc2ccccc2c1=O
b. Cc1ccc(SC2CC(=O)N(c3ccc4c(c3)OCCO4)C2=O)cc1
c. O=C(Cc1ccc(-n2c(=S)[nH]c3ccccc3c2=O)cc1)N1CCC(N2CCCCC2)CC1
d. CCCNc1nc2c(c(=O)n(C)c(=O)n2C)n1CCC(C)C
Answer: a. CCOC(=O)CNC(=O)Cn1c(C)cc2ccccc2c1=O
{#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)CNC(=O)Cn1c(C)cc2ccccc2c1=O
CCOC(=O)CNC(=O)Cn1c(C)cc2ccccc2c1=O
ethyl 2-[[2-(3-methyl-1-oxoisoquinolin-2-yl)acetyl]amino]acetate