Task: Answer the MCQ question.
Query: Which compound has a 8.354\% 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. CN(C)c1ccc(NC(=S)c2ccc3ccccc3n2)cc1
b. COCc1c(Br)c(C)[nH]c(=O)c1C#N
c. COc1ccc(CCn2c(=N)c(C(=O)NC3CCCC3)cc3c(=O)n4ccccc4nc32)cc1
d. CC(C)CN(CCNC(=O)CN1N=C(c2ccc(Cl)cc2)CCC1=O)CC(C)C
Answer: b. COCc1c(Br)c(C)[nH]c(=O)c1C#N
{#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#}
COCc1c(Br)c(C)[nH]c(=O)c1C#N
COCc1c(Br)c(C)[nH]c(=O)c1C#N
5-bromo-4-(methoxymethyl)-6-methyl-2-oxo-1H-pyridine-3-carbonitrile