Task: Answer the MCQ question.
Query: Which compound exhibits a -0.921\% human ether-à-go-go related gene (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: CCN(CCO)Cc1csc2cc(C)ccc12.Cl
b: COc1ccccc1OCc1nc(C#N)c(N2CC(C)CC(C)C2)o1
c: Nc1c(C(=O)NCc2ccc3c(c2)OCO3)nnn1-c1ccc(OC(F)(F)F)cc1
d: Cc1nn(-c2ccccc2)c2[nH]c(=O)c(CNCc3ccc4c(c3)OCO4)cc12
Answer: b. COc1ccccc1OCc1nc(C#N)c(N2CC(C)CC(C)C2)o1
{#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#}
COc1ccccc1OCc1nc(C#N)c(N2CC(C)CC(C)C2)o1
COc1ccccc1OCc1nc(C#N)c(N2CC(C)CC(C)C2)o1
5-(3,5-dimethylpiperidin-1-yl)-2-[(2-methoxyphenoxy)methyl]-1,3-oxazole-4-carbonitrile