Problem statement: Answer the MCQ question.
Query: Which drug has a 3.869\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CC(=O)Nc1nc2nc(C)cnc2c(=O)[nH]1
b: CC(=O)c1cc(-c2ccccc2)n(CC(=O)N2CCN(C3CCCC3)CC2)c1C
c: COC(=O)CCn1nnc(-c2cccs2)n1
d: CC1CCCCN1Cc1c(C#N)c2ccccc2n1C
Answer: a. CC(=O)Nc1nc2nc(C)cnc2c(=O)[nH]1
{#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#}
CC(=O)Nc1nc2nc(C)cnc2c(=O)[nH]1
CC(=O)Nc1nc2nc(C)cnc2c(=O)[nH]1
N-(7-methyl-4-oxo-3H-pteridin-2-yl)acetamide