Task: Answer the multiple choice question.
Question: Which compound exhibits a 8.759\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C(CCCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)NCCc1ccccc1Cl
b) CCCn1c2ccccc2c2cnn(CC(=O)N(CC)CC)c(=O)c21
c) O=C(NCC1CCCCC1)c1ccc(Cl)nc1
d) CCC(C)C12CN3CCN(CC(C)(C3)C1O)C2
Answer: b. CCCn1c2ccccc2c2cnn(CC(=O)N(CC)CC)c(=O)c21
{#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#}
CCCn1c2ccccc2c2cnn(CC(=O)N(CC)CC)c(=O)c21
CCCn1c2ccccc2c2cnn(CC(=O)N(CC)CC)c(=O)c21
N,N-diethyl-2-(4-oxo-5-propylpyridazino[4,5-b]indol-3-yl)acetamide